20987716

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 37729440

約数和(自身を除く): 16741724

約数列:

[1, 2, 4, 59, 113, 118, 226, 236, 452, 787, 1574, 3148, 6667, 13334, 26668, 46433, 88931, 92866, 177862, 185732, 355724, 5246929, 10493858, 20987716]

約数ペア:

[(1, 20987716), (2, 10493858), (4, 5246929), (59, 355724), (113, 185732), (118, 177862), (226, 92866), (236, 88931), (452, 46433), (787, 26668), (1574, 13334), (3148, 6667)]