20727546838

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{177101}}^1$

素因数の和:177663

約数の個数: 16

約数和(自身を含む): 31389558480

約数和(自身を除く): 10662011642

約数列:

[1, 2, 139, 278, 421, 842, 58519, 117038, 177101, 354202, 24617039, 49234078, 74559521, 149119042, 10363773419, 20727546838]

約数ペア:

[(1, 20727546838), (2, 10363773419), (139, 149119042), (278, 74559521), (421, 49234078), (842, 24617039), (58519, 354202), (117038, 177101)]