20761424164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{19373}}^1$

素因数の和:19984

約数の個数: 48

約数和(自身を含む): 40259017008

約数和(自身を除く): 19497592844

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 557, 962, 1114, 1924, 2228, 7241, 14482, 19373, 20609, 28964, 38746, 41218, 77492, 82436, 251849, 267917, 503698, 535834, 716801, 1007396, 1071668, 1433602, 2867204, 9318413, 10790761, 18636826, 21581522, 37273652, 43163044, 140279893, 280559786, 399258157, 561119572, 798516314, 1597032628, 5190356041, 10380712082, 20761424164]

約数ペア:

[(1, 20761424164), (2, 10380712082), (4, 5190356041), (13, 1597032628), (26, 798516314), (37, 561119572), (52, 399258157), (74, 280559786), (148, 140279893), (481, 43163044), (557, 37273652), (962, 21581522), (1114, 18636826), (1924, 10790761), (2228, 9318413), (7241, 2867204), (14482, 1433602), (19373, 1071668), (20609, 1007396), (28964, 716801), (38746, 535834), (41218, 503698), (77492, 267917), (82436, 251849)]