20914154

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1141

約数の個数: 16

約数和(自身を含む): 32196096

約数和(自身を除く): 11281942

約数列:

[1, 2, 47, 94, 271, 542, 821, 1642, 12737, 25474, 38587, 77174, 222491, 444982, 10457077, 20914154]

約数ペア:

[(1, 20914154), (2, 10457077), (47, 444982), (94, 222491), (271, 77174), (542, 38587), (821, 25474), (1642, 12737)]