20870188

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 37416960

約数和(自身を除く): 16546772

約数列:

[1, 2, 4, 59, 118, 191, 236, 382, 463, 764, 926, 1852, 11269, 22538, 27317, 45076, 54634, 88433, 109268, 176866, 353732, 5217547, 10435094, 20870188]

約数ペア:

[(1, 20870188), (2, 10435094), (4, 5217547), (59, 353732), (118, 176866), (191, 109268), (236, 88433), (382, 54634), (463, 45076), (764, 27317), (926, 22538), (1852, 11269)]