20408926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9103}}^1$

素因数の和:9183

約数の個数: 16

約数和(自身を含む): 32774400

約数和(自身を除く): 12365474

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9103, 18206, 172957, 345914, 537077, 1074154, 10204463, 20408926]

約数ペア:

[(1, 20408926), (2, 10204463), (19, 1074154), (38, 537077), (59, 345914), (118, 172957), (1121, 18206), (2242, 9103)]