20841750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 57676320

約数和(自身を除く): 36834570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 125, 150, 157, 177, 225, 250, 295, 314, 354, 375, 450, 471, 531, 590, 750, 785, 885, 942, 1062, 1125, 1413, 1475, 1570, 1770, 2250, 2355, 2655, 2826, 2950, 3925, 4425, 4710, 5310, 7065, 7375, 7850, 8850, 9263, 11775, 13275, 14130, 14750, 18526, 19625, 22125, 23550, 26550, 27789, 35325, 39250, 44250, 46315, 55578, 58875, 66375, 70650, 83367, 92630, 117750, 132750, 138945, 166734, 176625, 231575, 277890, 353250, 416835, 463150, 694725, 833670, 1157875, 1389450, 2084175, 2315750, 3473625, 4168350, 6947250, 10420875, 20841750]

約数ペア:

[(1, 20841750), (2, 10420875), (3, 6947250), (5, 4168350), (6, 3473625), (9, 2315750), (10, 2084175), (15, 1389450), (18, 1157875), (25, 833670), (30, 694725), (45, 463150), (50, 416835), (59, 353250), (75, 277890), (90, 231575), (118, 176625), (125, 166734), (150, 138945), (157, 132750), (177, 117750), (225, 92630), (250, 83367), (295, 70650), (314, 66375), (354, 58875), (375, 55578), (450, 46315), (471, 44250), (531, 39250), (590, 35325), (750, 27789), (785, 26550), (885, 23550), (942, 22125), (1062, 19625), (1125, 18526), (1413, 14750), (1475, 14130), (1570, 13275), (1770, 11775), (2250, 9263), (2355, 8850), (2655, 7850), (2826, 7375), (2950, 7065), (3925, 5310), (4425, 4710)]