20158500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 39595740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 89, 100, 125, 150, 151, 178, 250, 267, 300, 302, 356, 375, 445, 453, 500, 534, 604, 750, 755, 890, 906, 1068, 1335, 1500, 1510, 1780, 1812, 2225, 2265, 2670, 3020, 3775, 4450, 4530, 5340, 6675, 7550, 8900, 9060, 11125, 11325, 13350, 13439, 15100, 18875, 22250, 22650, 26700, 26878, 33375, 37750, 40317, 44500, 45300, 53756, 56625, 66750, 67195, 75500, 80634, 113250, 133500, 134390, 161268, 201585, 226500, 268780, 335975, 403170, 671950, 806340, 1007925, 1343900, 1679875, 2015850, 3359750, 4031700, 5039625, 6719500, 10079250, 20158500]

約数ペア:

[(1, 20158500), (2, 10079250), (3, 6719500), (4, 5039625), (5, 4031700), (6, 3359750), (10, 2015850), (12, 1679875), (15, 1343900), (20, 1007925), (25, 806340), (30, 671950), (50, 403170), (60, 335975), (75, 268780), (89, 226500), (100, 201585), (125, 161268), (150, 134390), (151, 133500), (178, 113250), (250, 80634), (267, 75500), (300, 67195), (302, 66750), (356, 56625), (375, 53756), (445, 45300), (453, 44500), (500, 40317), (534, 37750), (604, 33375), (750, 26878), (755, 26700), (890, 22650), (906, 22250), (1068, 18875), (1335, 15100), (1500, 13439), (1510, 13350), (1780, 11325), (1812, 11125), (2225, 9060), (2265, 8900), (2670, 7550), (3020, 6675), (3775, 5340), (4450, 4530)]