20576787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 34435584

約数和(自身を除く): 13858797

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 281, 317, 843, 951, 1967, 2219, 3091, 3487, 5901, 6657, 9273, 10461, 21637, 24409, 64911, 73227, 89077, 267231, 623539, 979847, 1870617, 2939541, 6858929, 20576787]

約数ペア:

[(1, 20576787), (3, 6858929), (7, 2939541), (11, 1870617), (21, 979847), (33, 623539), (77, 267231), (231, 89077), (281, 73227), (317, 64911), (843, 24409), (951, 21637), (1967, 10461), (2219, 9273), (3091, 6657), (3487, 5901)]