20100840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 60687360

約数和(自身を除く): 40586520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 877, 955, 1146, 1528, 1754, 1910, 2292, 2631, 2865, 3508, 3820, 4385, 4584, 5262, 5730, 7016, 7640, 8770, 10524, 11460, 13155, 17540, 21048, 22920, 26310, 35080, 52620, 105240, 167507, 335014, 502521, 670028, 837535, 1005042, 1340056, 1675070, 2010084, 2512605, 3350140, 4020168, 5025210, 6700280, 10050420, 20100840]

約数ペア:

[(1, 20100840), (2, 10050420), (3, 6700280), (4, 5025210), (5, 4020168), (6, 3350140), (8, 2512605), (10, 2010084), (12, 1675070), (15, 1340056), (20, 1005042), (24, 837535), (30, 670028), (40, 502521), (60, 335014), (120, 167507), (191, 105240), (382, 52620), (573, 35080), (764, 26310), (877, 22920), (955, 21048), (1146, 17540), (1528, 13155), (1754, 11460), (1910, 10524), (2292, 8770), (2631, 7640), (2865, 7016), (3508, 5730), (3820, 5262), (4385, 4584)]