20178580077

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{4561}}^1\times {\mathrm{10459}}^1$

素因数の和:15073

約数の個数: 24

約数和(自身を含む): 29776356480

約数和(自身を除く): 9597776403

約数列:

[1, 3, 9, 47, 141, 423, 4561, 10459, 13683, 31377, 41049, 94131, 214367, 491573, 643101, 1474719, 1929303, 4424157, 47703499, 143110497, 429331491, 2242064453, 6726193359, 20178580077]

約数ペア:

[(1, 20178580077), (3, 6726193359), (9, 2242064453), (47, 429331491), (141, 143110497), (423, 47703499), (4561, 4424157), (10459, 1929303), (13683, 1474719), (31377, 643101), (41049, 491573), (94131, 214367)]