20278314992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{99787}}^1$

素因数の和:100785

約数の個数: 40

約数和(自身を含む): 42355216176

約数和(自身を除く): 22076901184

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 977, 1954, 3908, 7816, 12701, 15632, 25402, 50804, 99787, 101608, 199574, 203216, 399148, 798296, 1297231, 1596592, 2594462, 5188924, 10377848, 20755696, 97491899, 194983798, 389967596, 779935192, 1267394687, 1559870384, 2534789374, 5069578748, 10139157496, 20278314992]

約数ペア:

[(1, 20278314992), (2, 10139157496), (4, 5069578748), (8, 2534789374), (13, 1559870384), (16, 1267394687), (26, 779935192), (52, 389967596), (104, 194983798), (208, 97491899), (977, 20755696), (1954, 10377848), (3908, 5188924), (7816, 2594462), (12701, 1596592), (15632, 1297231), (25402, 798296), (50804, 399148), (99787, 203216), (101608, 199574)]