20544390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 56103840

約数和(自身を除く): 35559450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 59, 73, 90, 106, 118, 146, 159, 177, 219, 265, 295, 318, 354, 365, 438, 477, 530, 531, 590, 657, 730, 795, 885, 954, 1062, 1095, 1314, 1590, 1770, 2190, 2385, 2655, 3127, 3285, 3869, 4307, 4770, 5310, 6254, 6570, 7738, 8614, 9381, 11607, 12921, 15635, 18762, 19345, 21535, 23214, 25842, 28143, 31270, 34821, 38690, 38763, 43070, 46905, 56286, 58035, 64605, 69642, 77526, 93810, 116070, 129210, 140715, 174105, 193815, 228271, 281430, 348210, 387630, 456542, 684813, 1141355, 1369626, 2054439, 2282710, 3424065, 4108878, 6848130, 10272195, 20544390]

約数ペア:

[(1, 20544390), (2, 10272195), (3, 6848130), (5, 4108878), (6, 3424065), (9, 2282710), (10, 2054439), (15, 1369626), (18, 1141355), (30, 684813), (45, 456542), (53, 387630), (59, 348210), (73, 281430), (90, 228271), (106, 193815), (118, 174105), (146, 140715), (159, 129210), (177, 116070), (219, 93810), (265, 77526), (295, 69642), (318, 64605), (354, 58035), (365, 56286), (438, 46905), (477, 43070), (530, 38763), (531, 38690), (590, 34821), (657, 31270), (730, 28143), (795, 25842), (885, 23214), (954, 21535), (1062, 19345), (1095, 18762), (1314, 15635), (1590, 12921), (1770, 11607), (2190, 9381), (2385, 8614), (2655, 7738), (3127, 6570), (3285, 6254), (3869, 5310), (4307, 4770)]