20809147976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1354057}}^1$

素因数の和:1354193

約数の個数: 32

約数和(自身を含む): 41677905240

約数和(自身を除く): 20868757264

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 452, 904, 1921, 3842, 7684, 15368, 1354057, 2708114, 5416228, 10832456, 23018969, 46037938, 92075876, 153008441, 184151752, 306016882, 612033764, 1224067528, 2601143497, 5202286994, 10404573988, 20809147976]

約数ペア:

[(1, 20809147976), (2, 10404573988), (4, 5202286994), (8, 2601143497), (17, 1224067528), (34, 612033764), (68, 306016882), (113, 184151752), (136, 153008441), (226, 92075876), (452, 46037938), (904, 23018969), (1921, 10832456), (3842, 5416228), (7684, 2708114), (15368, 1354057)]