20512159641

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{449621}}^1$

素因数の和:449801

約数の個数: 24

約数和(自身を含む): 30651630984

約数和(自身を除く): 10139471343

約数列:

[1, 3, 9, 37, 111, 137, 333, 411, 1233, 5069, 15207, 45621, 449621, 1348863, 4046589, 16635977, 49907931, 61598077, 149723793, 184794231, 554382693, 2279128849, 6837386547, 20512159641]

約数ペア:

[(1, 20512159641), (3, 6837386547), (9, 2279128849), (37, 554382693), (111, 184794231), (137, 149723793), (333, 61598077), (411, 49907931), (1233, 16635977), (5069, 4046589), (15207, 1348863), (45621, 449621)]