20120237459

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{435437}}^1$

素因数の和:435515

約数の個数: 24

約数和(自身を含む): 25018525728

約数和(自身を除く): 4898288269

約数列:

[1, 7, 23, 41, 49, 161, 287, 943, 1127, 2009, 6601, 46207, 435437, 3048059, 10015051, 17852917, 21336413, 70105357, 124970419, 410617091, 490737499, 874792933, 2874319637, 20120237459]

約数ペア:

[(1, 20120237459), (7, 2874319637), (23, 874792933), (41, 490737499), (49, 410617091), (161, 124970419), (287, 70105357), (943, 21336413), (1127, 17852917), (2009, 10015051), (6601, 3048059), (46207, 435437)]