20864838

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20101}}^1$

素因数の和:20279

約数の個数: 16

約数和(自身を含む): 41972976

約数和(自身を除く): 21108138

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20101, 40202, 60303, 120606, 3477473, 6954946, 10432419, 20864838]

約数ペア:

[(1, 20864838), (2, 10432419), (3, 6954946), (6, 3477473), (173, 120606), (346, 60303), (519, 40202), (1038, 20101)]