20197648320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{17431}}^1$

素因数の和:17539

約数の個数: 224

約数和(自身を含む): 68860025856

約数和(自身を除く): 48662377536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 71, 80, 85, 96, 102, 120, 136, 142, 160, 170, 192, 204, 213, 240, 255, 272, 284, 320, 340, 355, 408, 426, 480, 510, 544, 568, 680, 710, 816, 852, 960, 1020, 1065, 1088, 1136, 1207, 1360, 1420, 1632, 1704, 2040, 2130, 2272, 2414, 2720, 2840, 3264, 3408, 3621, 4080, 4260, 4544, 4828, 5440, 5680, 6035, 6816, 7242, 8160, 8520, 9656, 11360, 12070, 13632, 14484, 16320, 17040, 17431, 18105, 19312, 22720, 24140, 28968, 34080, 34862, 36210, 38624, 48280, 52293, 57936, 68160, 69724, 72420, 77248, 87155, 96560, 104586, 115872, 139448, 144840, 174310, 193120, 209172, 231744, 261465, 278896, 289680, 296327, 348620, 386240, 418344, 522930, 557792, 579360, 592654, 697240, 836688, 888981, 1045860, 1115584, 1158720, 1185308, 1237601, 1394480, 1481635, 1673376, 1777962, 2091720, 2370616, 2475202, 2788960, 2963270, 3346752, 3555924, 3712803, 4183440, 4444905, 4741232, 4950404, 5577920, 5926540, 6188005, 7111848, 7425606, 8366880, 8889810, 9482464, 9900808, 11853080, 12376010, 14223696, 14851212, 16733760, 17779620, 18564015, 18964928, 19801616, 21039217, 23706160, 24752020, 28447392, 29702424, 35559240, 37128030, 39603232, 42078434, 47412320, 49504040, 56894784, 59404848, 63117651, 71118480, 74256060, 79206464, 84156868, 94824640, 99008080, 105196085, 118809696, 126235302, 142236960, 148512120, 168313736, 198016160, 210392170, 237619392, 252470604, 284473920, 297024240, 315588255, 336627472, 396032320, 420784340, 504941208, 594048480, 631176510, 673254944, 841568680, 1009882416, 1188096960, 1262353020, 1346509888, 1683137360, 2019764832, 2524706040, 3366274720, 4039529664, 5049412080, 6732549440, 10098824160, 20197648320]

約数ペア:

[(1, 20197648320), (2, 10098824160), (3, 6732549440), (4, 5049412080), (5, 4039529664), (6, 3366274720), (8, 2524706040), (10, 2019764832), (12, 1683137360), (15, 1346509888), (16, 1262353020), (17, 1188096960), (20, 1009882416), (24, 841568680), (30, 673254944), (32, 631176510), (34, 594048480), (40, 504941208), (48, 420784340), (51, 396032320), (60, 336627472), (64, 315588255), (68, 297024240), (71, 284473920), (80, 252470604), (85, 237619392), (96, 210392170), (102, 198016160), (120, 168313736), (136, 148512120), (142, 142236960), (160, 126235302), (170, 118809696), (192, 105196085), (204, 99008080), (213, 94824640), (240, 84156868), (255, 79206464), (272, 74256060), (284, 71118480), (320, 63117651), (340, 59404848), (355, 56894784), (408, 49504040), (426, 47412320), (480, 42078434), (510, 39603232), (544, 37128030), (568, 35559240), (680, 29702424), (710, 28447392), (816, 24752020), (852, 23706160), (960, 21039217), (1020, 19801616), (1065, 18964928), (1088, 18564015), (1136, 17779620), (1207, 16733760), (1360, 14851212), (1420, 14223696), (1632, 12376010), (1704, 11853080), (2040, 9900808), (2130, 9482464), (2272, 8889810), (2414, 8366880), (2720, 7425606), (2840, 7111848), (3264, 6188005), (3408, 5926540), (3621, 5577920), (4080, 4950404), (4260, 4741232), (4544, 4444905), (4828, 4183440), (5440, 3712803), (5680, 3555924), (6035, 3346752), (6816, 2963270), (7242, 2788960), (8160, 2475202), (8520, 2370616), (9656, 2091720), (11360, 1777962), (12070, 1673376), (13632, 1481635), (14484, 1394480), (16320, 1237601), (17040, 1185308), (17431, 1158720), (18105, 1115584), (19312, 1045860), (22720, 888981), (24140, 836688), (28968, 697240), (34080, 592654), (34862, 579360), (36210, 557792), (38624, 522930), (48280, 418344), (52293, 386240), (57936, 348620), (68160, 296327), (69724, 289680), (72420, 278896), (77248, 261465), (87155, 231744), (96560, 209172), (104586, 193120), (115872, 174310), (139448, 144840)]