20160500816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2213}}^1\times {\mathrm{18367}}^1$

素因数の和:20619

約数の個数: 40

約数和(自身を含む): 40341417984

約数和(自身を除く): 20180917168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2213, 4426, 8852, 17704, 18367, 35408, 36734, 68603, 73468, 137206, 146936, 274412, 293872, 548824, 569377, 1097648, 1138754, 2277508, 4555016, 9110032, 40646171, 81292342, 162584684, 325169368, 650338736, 1260031301, 2520062602, 5040125204, 10080250408, 20160500816]

約数ペア:

[(1, 20160500816), (2, 10080250408), (4, 5040125204), (8, 2520062602), (16, 1260031301), (31, 650338736), (62, 325169368), (124, 162584684), (248, 81292342), (496, 40646171), (2213, 9110032), (4426, 4555016), (8852, 2277508), (17704, 1138754), (18367, 1097648), (35408, 569377), (36734, 548824), (68603, 293872), (73468, 274412), (137206, 146936)]