20123961136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54684677}}^1$

素因数の和:54684708

約数の個数: 20

約数和(自身を含む): 40685400432

約数和(自身を除く): 20561439296

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54684677, 109369354, 218738708, 437477416, 874954832, 1257747571, 2515495142, 5030990284, 10061980568, 20123961136]

約数ペア:

[(1, 20123961136), (2, 10061980568), (4, 5030990284), (8, 2515495142), (16, 1257747571), (23, 874954832), (46, 437477416), (92, 218738708), (184, 109369354), (368, 54684677)]