20446500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 61117056

約数和(自身を除く): 40670556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 125, 129, 150, 172, 215, 250, 258, 300, 317, 375, 430, 500, 516, 634, 645, 750, 860, 951, 1075, 1268, 1290, 1500, 1585, 1902, 2150, 2580, 3170, 3225, 3804, 4300, 4755, 5375, 6340, 6450, 7925, 9510, 10750, 12900, 13631, 15850, 16125, 19020, 21500, 23775, 27262, 31700, 32250, 39625, 40893, 47550, 54524, 64500, 68155, 79250, 81786, 95100, 118875, 136310, 158500, 163572, 204465, 237750, 272620, 340775, 408930, 475500, 681550, 817860, 1022325, 1363100, 1703875, 2044650, 3407750, 4089300, 5111625, 6815500, 10223250, 20446500]

約数ペア:

[(1, 20446500), (2, 10223250), (3, 6815500), (4, 5111625), (5, 4089300), (6, 3407750), (10, 2044650), (12, 1703875), (15, 1363100), (20, 1022325), (25, 817860), (30, 681550), (43, 475500), (50, 408930), (60, 340775), (75, 272620), (86, 237750), (100, 204465), (125, 163572), (129, 158500), (150, 136310), (172, 118875), (215, 95100), (250, 81786), (258, 79250), (300, 68155), (317, 64500), (375, 54524), (430, 47550), (500, 40893), (516, 39625), (634, 32250), (645, 31700), (750, 27262), (860, 23775), (951, 21500), (1075, 19020), (1268, 16125), (1290, 15850), (1500, 13631), (1585, 12900), (1902, 10750), (2150, 9510), (2580, 7925), (3170, 6450), (3225, 6340), (3804, 5375), (4300, 4755)]