20441040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 64603008

約数和(自身を除く): 44161968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1607, 2120, 2544, 3180, 3214, 4240, 4821, 6360, 6428, 8035, 9642, 12720, 12856, 16070, 19284, 24105, 25712, 32140, 38568, 48210, 64280, 77136, 85171, 96420, 128560, 170342, 192840, 255513, 340684, 385680, 425855, 511026, 681368, 851710, 1022052, 1277565, 1362736, 1703420, 2044104, 2555130, 3406840, 4088208, 5110260, 6813680, 10220520, 20441040]

約数ペア:

[(1, 20441040), (2, 10220520), (3, 6813680), (4, 5110260), (5, 4088208), (6, 3406840), (8, 2555130), (10, 2044104), (12, 1703420), (15, 1362736), (16, 1277565), (20, 1022052), (24, 851710), (30, 681368), (40, 511026), (48, 425855), (53, 385680), (60, 340684), (80, 255513), (106, 192840), (120, 170342), (159, 128560), (212, 96420), (240, 85171), (265, 77136), (318, 64280), (424, 48210), (530, 38568), (636, 32140), (795, 25712), (848, 24105), (1060, 19284), (1272, 16070), (1590, 12856), (1607, 12720), (2120, 9642), (2544, 8035), (3180, 6428), (3214, 6360), (4240, 4821)]