20266534160

素因数分解:

$2^4\times 5^1\times {\mathrm{3863}}^1\times {\mathrm{65579}}^1$

素因数の和:69455

約数の個数: 40

約数和(自身を含む): 47132608320

約数和(自身を除く): 26866074160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3863, 7726, 15452, 19315, 30904, 38630, 61808, 65579, 77260, 131158, 154520, 262316, 309040, 327895, 524632, 655790, 1049264, 1311580, 2623160, 5246320, 253331677, 506663354, 1013326708, 1266658385, 2026653416, 2533316770, 4053306832, 5066633540, 10133267080, 20266534160]

約数ペア:

[(1, 20266534160), (2, 10133267080), (4, 5066633540), (5, 4053306832), (8, 2533316770), (10, 2026653416), (16, 1266658385), (20, 1013326708), (40, 506663354), (80, 253331677), (3863, 5246320), (7726, 2623160), (15452, 1311580), (19315, 1049264), (30904, 655790), (38630, 524632), (61808, 327895), (65579, 309040), (77260, 262316), (131158, 154520)]