20757408

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48915552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 51, 56, 68, 69, 79, 84, 92, 96, 102, 112, 119, 136, 138, 158, 161, 168, 184, 204, 224, 237, 238, 272, 276, 316, 322, 336, 357, 368, 391, 408, 474, 476, 483, 544, 552, 553, 632, 644, 672, 714, 736, 782, 816, 948, 952, 966, 1104, 1106, 1173, 1264, 1288, 1343, 1428, 1564, 1632, 1659, 1817, 1896, 1904, 1932, 2208, 2212, 2346, 2528, 2576, 2686, 2737, 2856, 3128, 3318, 3634, 3792, 3808, 3864, 4029, 4424, 4692, 5152, 5372, 5451, 5474, 5712, 6256, 6636, 7268, 7584, 7728, 8058, 8211, 8848, 9384, 9401, 10744, 10902, 10948, 11424, 12512, 12719, 13272, 14536, 15456, 16116, 16422, 17696, 18768, 18802, 21488, 21804, 21896, 25438, 26544, 28203, 29072, 30889, 32232, 32844, 37536, 37604, 38157, 42976, 43608, 43792, 50876, 53088, 56406, 58144, 61778, 64464, 65688, 75208, 76314, 87216, 87584, 92667, 101752, 112812, 123556, 128928, 131376, 150416, 152628, 174432, 185334, 203504, 216223, 225624, 247112, 262752, 300832, 305256, 370668, 407008, 432446, 451248, 494224, 610512, 648669, 741336, 864892, 902496, 988448, 1221024, 1297338, 1482672, 1729784, 2594676, 2965344, 3459568, 5189352, 6919136, 10378704, 20757408]

約数ペア:

[(1, 20757408), (2, 10378704), (3, 6919136), (4, 5189352), (6, 3459568), (7, 2965344), (8, 2594676), (12, 1729784), (14, 1482672), (16, 1297338), (17, 1221024), (21, 988448), (23, 902496), (24, 864892), (28, 741336), (32, 648669), (34, 610512), (42, 494224), (46, 451248), (48, 432446), (51, 407008), (56, 370668), (68, 305256), (69, 300832), (79, 262752), (84, 247112), (92, 225624), (96, 216223), (102, 203504), (112, 185334), (119, 174432), (136, 152628), (138, 150416), (158, 131376), (161, 128928), (168, 123556), (184, 112812), (204, 101752), (224, 92667), (237, 87584), (238, 87216), (272, 76314), (276, 75208), (316, 65688), (322, 64464), (336, 61778), (357, 58144), (368, 56406), (391, 53088), (408, 50876), (474, 43792), (476, 43608), (483, 42976), (544, 38157), (552, 37604), (553, 37536), (632, 32844), (644, 32232), (672, 30889), (714, 29072), (736, 28203), (782, 26544), (816, 25438), (948, 21896), (952, 21804), (966, 21488), (1104, 18802), (1106, 18768), (1173, 17696), (1264, 16422), (1288, 16116), (1343, 15456), (1428, 14536), (1564, 13272), (1632, 12719), (1659, 12512), (1817, 11424), (1896, 10948), (1904, 10902), (1932, 10744), (2208, 9401), (2212, 9384), (2346, 8848), (2528, 8211), (2576, 8058), (2686, 7728), (2737, 7584), (2856, 7268), (3128, 6636), (3318, 6256), (3634, 5712), (3792, 5474), (3808, 5451), (3864, 5372), (4029, 5152), (4424, 4692)]