20271861

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 30541056

約数和(自身を除く): 10269195

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 643, 1017, 1929, 3503, 5787, 10509, 19933, 31527, 59799, 72659, 179397, 217977, 653931, 2252429, 6757287, 20271861]

約数ペア:

[(1, 20271861), (3, 6757287), (9, 2252429), (31, 653931), (93, 217977), (113, 179397), (279, 72659), (339, 59799), (643, 31527), (1017, 19933), (1929, 10509), (3503, 5787)]