20809315809

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{164953}}^1$

素因数の和:165197

約数の個数: 24

約数和(自身を含む): 30570594912

約数和(自身を除く): 9761279103

約数列:

[1, 3, 9, 107, 131, 321, 393, 963, 1179, 14017, 42051, 126153, 164953, 494859, 1484577, 17649971, 21608843, 52949913, 64826529, 158849739, 194479587, 2312146201, 6936438603, 20809315809]

約数ペア:

[(1, 20809315809), (3, 6936438603), (9, 2312146201), (107, 194479587), (131, 158849739), (321, 64826529), (393, 52949913), (963, 21608843), (1179, 17649971), (14017, 1484577), (42051, 494859), (126153, 164953)]