20927940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:917

約数の個数: 96

約数和(自身を含む): 65729664

約数和(自身を除く): 44801724

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 814, 857, 1110, 1221, 1628, 1714, 2035, 2220, 2442, 2571, 3428, 4070, 4285, 4884, 5142, 6105, 8140, 8570, 9427, 10284, 12210, 12855, 17140, 18854, 24420, 25710, 28281, 31709, 37708, 47135, 51420, 56562, 63418, 94270, 95127, 113124, 126836, 141405, 158545, 188540, 190254, 282810, 317090, 348799, 380508, 475635, 565620, 634180, 697598, 951270, 1046397, 1395196, 1743995, 1902540, 2092794, 3487990, 4185588, 5231985, 6975980, 10463970, 20927940]

約数ペア:

[(1, 20927940), (2, 10463970), (3, 6975980), (4, 5231985), (5, 4185588), (6, 3487990), (10, 2092794), (11, 1902540), (12, 1743995), (15, 1395196), (20, 1046397), (22, 951270), (30, 697598), (33, 634180), (37, 565620), (44, 475635), (55, 380508), (60, 348799), (66, 317090), (74, 282810), (110, 190254), (111, 188540), (132, 158545), (148, 141405), (165, 126836), (185, 113124), (220, 95127), (222, 94270), (330, 63418), (370, 56562), (407, 51420), (444, 47135), (555, 37708), (660, 31709), (740, 28281), (814, 25710), (857, 24420), (1110, 18854), (1221, 17140), (1628, 12855), (1714, 12210), (2035, 10284), (2220, 9427), (2442, 8570), (2571, 8140), (3428, 6105), (4070, 5142), (4285, 4884)]