20185488

素因数分解:

$2^4\times 3^2\times {\mathrm{140177}}^1$

素因数の和:140191

約数の個数: 30

約数和(自身を含む): 56491734

約数和(自身を除く): 36306246

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140177, 280354, 420531, 560708, 841062, 1121416, 1261593, 1682124, 2242832, 2523186, 3364248, 5046372, 6728496, 10092744, 20185488]

約数ペア:

[(1, 20185488), (2, 10092744), (3, 6728496), (4, 5046372), (6, 3364248), (8, 2523186), (9, 2242832), (12, 1682124), (16, 1261593), (18, 1121416), (24, 841062), (36, 560708), (48, 420531), (72, 280354), (144, 140177)]