20578040624

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{1889}}^1\times {\mathrm{4177}}^1$

素因数の和:6237

約数の個数: 40

約数和(自身を含む): 40145399280

約数和(自身を除く): 19567358656

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 1889, 2608, 3778, 4177, 7556, 8354, 15112, 16708, 30224, 33416, 66832, 307907, 615814, 680851, 1231628, 1361702, 2463256, 2723404, 4926512, 5446808, 7890353, 10893616, 15780706, 31561412, 63122824, 126245648, 1286127539, 2572255078, 5144510156, 10289020312, 20578040624]

約数ペア:

[(1, 20578040624), (2, 10289020312), (4, 5144510156), (8, 2572255078), (16, 1286127539), (163, 126245648), (326, 63122824), (652, 31561412), (1304, 15780706), (1889, 10893616), (2608, 7890353), (3778, 5446808), (4177, 4926512), (7556, 2723404), (8354, 2463256), (15112, 1361702), (16708, 1231628), (30224, 680851), (33416, 615814), (66832, 307907)]