20879632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68683}}^1$

素因数の和:68710

約数の個数: 20

約数和(自身を含む): 42584080

約数和(自身を除く): 21704448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68683, 137366, 274732, 549464, 1098928, 1304977, 2609954, 5219908, 10439816, 20879632]

約数ペア:

[(1, 20879632), (2, 10439816), (4, 5219908), (8, 2609954), (16, 1304977), (19, 1098928), (38, 549464), (76, 274732), (152, 137366), (304, 68683)]