20218173608

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{1117}}^1\times {\mathrm{10723}}^1$

素因数の和:12057

約数の個数: 32

約数和(自身を含む): 38126393760

約数和(自身を除く): 17908220152

約数列:

[1, 2, 4, 8, 211, 422, 844, 1117, 1688, 2234, 4468, 8936, 10723, 21446, 42892, 85784, 235687, 471374, 942748, 1885496, 2262553, 4525106, 9050212, 11977591, 18100424, 23955182, 47910364, 95820728, 2527271701, 5054543402, 10109086804, 20218173608]

約数ペア:

[(1, 20218173608), (2, 10109086804), (4, 5054543402), (8, 2527271701), (211, 95820728), (422, 47910364), (844, 23955182), (1117, 18100424), (1688, 11977591), (2234, 9050212), (4468, 4525106), (8936, 2262553), (10723, 1885496), (21446, 942748), (42892, 471374), (85784, 235687)]