20174789871

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{163}}^1\times {\mathrm{25997}}^1$

素因数の和:26212

約数の個数: 36

約数和(自身を含む): 30651538008

約数和(自身を除く): 10476748137

約数列:

[1, 3, 9, 23, 69, 163, 207, 489, 529, 1467, 1587, 3749, 4761, 11247, 25997, 33741, 77991, 86227, 233973, 258681, 597931, 776043, 1793793, 4237511, 5381379, 12712533, 13752413, 38137599, 41257239, 97462753, 123771717, 292388259, 877164777, 2241643319, 6724929957, 20174789871]

約数ペア:

[(1, 20174789871), (3, 6724929957), (9, 2241643319), (23, 877164777), (69, 292388259), (163, 123771717), (207, 97462753), (489, 41257239), (529, 38137599), (1467, 13752413), (1587, 12712533), (3749, 5381379), (4761, 4237511), (11247, 1793793), (25997, 776043), (33741, 597931), (77991, 258681), (86227, 233973)]