20778893507228

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{42463}}^1\times {\mathrm{2308213}}^1$

素因数の和:2350733

約数の個数: 24

約数和(自身を含む): 37050047733888

約数和(自身を除く): 16271154226660

約数列:

[1, 2, 4, 53, 106, 212, 42463, 84926, 169852, 2250539, 2308213, 4501078, 4616426, 9002156, 9232852, 122335289, 244670578, 489341156, 98013648619, 196027297238, 392054594476, 5194723376807, 10389446753614, 20778893507228]

約数ペア:

[(1, 20778893507228), (2, 10389446753614), (4, 5194723376807), (53, 392054594476), (106, 196027297238), (212, 98013648619), (42463, 489341156), (84926, 244670578), (169852, 122335289), (2250539, 9232852), (2308213, 9002156), (4501078, 4616426)]