20943938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7717}}^1$

素因数の和:7801

約数の個数: 16

約数和(自身を含む): 33341760

約数和(自身を除く): 12397822

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7717, 15434, 177491, 354982, 455303, 910606, 10471969, 20943938]

約数ペア:

[(1, 20943938), (2, 10471969), (23, 910606), (46, 455303), (59, 354982), (118, 177491), (1357, 15434), (2714, 7717)]