20808450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3588

約数の個数: 72

約数和(自身を含む): 60222708

約数和(自身を除く): 39414258

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3557, 5850, 7114, 10671, 17785, 21342, 32013, 35570, 46241, 53355, 64026, 88925, 92482, 106710, 138723, 160065, 177850, 231205, 266775, 277446, 320130, 416169, 462410, 533550, 693615, 800325, 832338, 1156025, 1387230, 1600650, 2080845, 2312050, 3468075, 4161690, 6936150, 10404225, 20808450]

約数ペア:

[(1, 20808450), (2, 10404225), (3, 6936150), (5, 4161690), (6, 3468075), (9, 2312050), (10, 2080845), (13, 1600650), (15, 1387230), (18, 1156025), (25, 832338), (26, 800325), (30, 693615), (39, 533550), (45, 462410), (50, 416169), (65, 320130), (75, 277446), (78, 266775), (90, 231205), (117, 177850), (130, 160065), (150, 138723), (195, 106710), (225, 92482), (234, 88925), (325, 64026), (390, 53355), (450, 46241), (585, 35570), (650, 32013), (975, 21342), (1170, 17785), (1950, 10671), (2925, 7114), (3557, 5850)]