20294460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3637}}^1$

素因数の和:3683

約数の個数: 72

約数和(自身を含む): 63563136

約数和(自身を除く): 43268676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3637, 5580, 7274, 10911, 14548, 18185, 21822, 32733, 36370, 43644, 54555, 65466, 72740, 109110, 112747, 130932, 163665, 218220, 225494, 327330, 338241, 450988, 563735, 654660, 676482, 1014723, 1127470, 1352964, 1691205, 2029446, 2254940, 3382410, 4058892, 5073615, 6764820, 10147230, 20294460]

約数ペア:

[(1, 20294460), (2, 10147230), (3, 6764820), (4, 5073615), (5, 4058892), (6, 3382410), (9, 2254940), (10, 2029446), (12, 1691205), (15, 1352964), (18, 1127470), (20, 1014723), (30, 676482), (31, 654660), (36, 563735), (45, 450988), (60, 338241), (62, 327330), (90, 225494), (93, 218220), (124, 163665), (155, 130932), (180, 112747), (186, 109110), (279, 72740), (310, 65466), (372, 54555), (465, 43644), (558, 36370), (620, 32733), (930, 21822), (1116, 18185), (1395, 14548), (1860, 10911), (2790, 7274), (3637, 5580)]