20057850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 108

約数和(自身を含む): 56864106

約数和(自身を除く): 36806256

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 53, 58, 75, 87, 90, 106, 145, 150, 159, 174, 225, 261, 265, 290, 318, 435, 450, 477, 522, 530, 725, 795, 841, 870, 954, 1305, 1325, 1450, 1537, 1590, 1682, 2175, 2385, 2523, 2610, 2650, 3074, 3975, 4205, 4350, 4611, 4770, 5046, 6525, 7569, 7685, 7950, 8410, 9222, 11925, 12615, 13050, 13833, 15138, 15370, 21025, 23055, 23850, 25230, 27666, 37845, 38425, 42050, 44573, 46110, 63075, 69165, 75690, 76850, 89146, 115275, 126150, 133719, 138330, 189225, 222865, 230550, 267438, 345825, 378450, 401157, 445730, 668595, 691650, 802314, 1114325, 1337190, 2005785, 2228650, 3342975, 4011570, 6685950, 10028925, 20057850]

約数ペア:

[(1, 20057850), (2, 10028925), (3, 6685950), (5, 4011570), (6, 3342975), (9, 2228650), (10, 2005785), (15, 1337190), (18, 1114325), (25, 802314), (29, 691650), (30, 668595), (45, 445730), (50, 401157), (53, 378450), (58, 345825), (75, 267438), (87, 230550), (90, 222865), (106, 189225), (145, 138330), (150, 133719), (159, 126150), (174, 115275), (225, 89146), (261, 76850), (265, 75690), (290, 69165), (318, 63075), (435, 46110), (450, 44573), (477, 42050), (522, 38425), (530, 37845), (725, 27666), (795, 25230), (841, 23850), (870, 23055), (954, 21025), (1305, 15370), (1325, 15138), (1450, 13833), (1537, 13050), (1590, 12615), (1682, 11925), (2175, 9222), (2385, 8410), (2523, 7950), (2610, 7685), (2650, 7569), (3074, 6525), (3975, 5046), (4205, 4770), (4350, 4611)]