20553496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 19536104

約数列:

[1, 2, 4, 8, 31, 62, 124, 179, 248, 358, 463, 716, 926, 1432, 1852, 3704, 5549, 11098, 14353, 22196, 28706, 44392, 57412, 82877, 114824, 165754, 331508, 663016, 2569187, 5138374, 10276748, 20553496]

約数ペア:

[(1, 20553496), (2, 10276748), (4, 5138374), (8, 2569187), (31, 663016), (62, 331508), (124, 165754), (179, 114824), (248, 82877), (358, 57412), (463, 44392), (716, 28706), (926, 22196), (1432, 14353), (1852, 11098), (3704, 5549)]