20082720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 54428640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 96, 105, 112, 120, 129, 139, 140, 160, 168, 172, 210, 215, 224, 240, 258, 278, 280, 301, 336, 344, 417, 420, 430, 480, 516, 556, 560, 602, 645, 672, 688, 695, 834, 840, 860, 903, 973, 1032, 1112, 1120, 1204, 1290, 1376, 1390, 1505, 1668, 1680, 1720, 1806, 1946, 2064, 2085, 2224, 2408, 2580, 2780, 2919, 3010, 3336, 3360, 3440, 3612, 3892, 4128, 4170, 4448, 4515, 4816, 4865, 5160, 5560, 5838, 5977, 6020, 6672, 6880, 7224, 7784, 8340, 9030, 9632, 9730, 10320, 11120, 11676, 11954, 12040, 13344, 14448, 14595, 15568, 16680, 17931, 18060, 19460, 20640, 22240, 23352, 23908, 24080, 28896, 29190, 29885, 31136, 33360, 35862, 36120, 38920, 41839, 46704, 47816, 48160, 58380, 59770, 66720, 71724, 72240, 77840, 83678, 89655, 93408, 95632, 116760, 119540, 125517, 143448, 144480, 155680, 167356, 179310, 191264, 209195, 233520, 239080, 251034, 286896, 334712, 358620, 418390, 467040, 478160, 502068, 573792, 627585, 669424, 717240, 836780, 956320, 1004136, 1255170, 1338848, 1434480, 1673560, 2008272, 2510340, 2868960, 3347120, 4016544, 5020680, 6694240, 10041360, 20082720]

約数ペア:

[(1, 20082720), (2, 10041360), (3, 6694240), (4, 5020680), (5, 4016544), (6, 3347120), (7, 2868960), (8, 2510340), (10, 2008272), (12, 1673560), (14, 1434480), (15, 1338848), (16, 1255170), (20, 1004136), (21, 956320), (24, 836780), (28, 717240), (30, 669424), (32, 627585), (35, 573792), (40, 502068), (42, 478160), (43, 467040), (48, 418390), (56, 358620), (60, 334712), (70, 286896), (80, 251034), (84, 239080), (86, 233520), (96, 209195), (105, 191264), (112, 179310), (120, 167356), (129, 155680), (139, 144480), (140, 143448), (160, 125517), (168, 119540), (172, 116760), (210, 95632), (215, 93408), (224, 89655), (240, 83678), (258, 77840), (278, 72240), (280, 71724), (301, 66720), (336, 59770), (344, 58380), (417, 48160), (420, 47816), (430, 46704), (480, 41839), (516, 38920), (556, 36120), (560, 35862), (602, 33360), (645, 31136), (672, 29885), (688, 29190), (695, 28896), (834, 24080), (840, 23908), (860, 23352), (903, 22240), (973, 20640), (1032, 19460), (1112, 18060), (1120, 17931), (1204, 16680), (1290, 15568), (1376, 14595), (1390, 14448), (1505, 13344), (1668, 12040), (1680, 11954), (1720, 11676), (1806, 11120), (1946, 10320), (2064, 9730), (2085, 9632), (2224, 9030), (2408, 8340), (2580, 7784), (2780, 7224), (2919, 6880), (3010, 6672), (3336, 6020), (3360, 5977), (3440, 5838), (3612, 5560), (3892, 5160), (4128, 4865), (4170, 4816), (4448, 4515)]