20601300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 61030816

約数和(自身を除く): 40429516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1597, 2150, 2580, 3194, 3225, 4300, 4791, 6388, 6450, 7985, 9582, 12900, 15970, 19164, 23955, 31940, 39925, 47910, 68671, 79850, 95820, 119775, 137342, 159700, 206013, 239550, 274684, 343355, 412026, 479100, 686710, 824052, 1030065, 1373420, 1716775, 2060130, 3433550, 4120260, 5150325, 6867100, 10300650, 20601300]

約数ペア:

[(1, 20601300), (2, 10300650), (3, 6867100), (4, 5150325), (5, 4120260), (6, 3433550), (10, 2060130), (12, 1716775), (15, 1373420), (20, 1030065), (25, 824052), (30, 686710), (43, 479100), (50, 412026), (60, 343355), (75, 274684), (86, 239550), (100, 206013), (129, 159700), (150, 137342), (172, 119775), (215, 95820), (258, 79850), (300, 68671), (430, 47910), (516, 39925), (645, 31940), (860, 23955), (1075, 19164), (1290, 15970), (1597, 12900), (2150, 9582), (2580, 7985), (3194, 6450), (3225, 6388), (4300, 4791)]