20161971776

素因数分解:

$2^6\times {\mathrm{315030809}}^1$

素因数の和:315030821

約数の個数: 14

約数和(自身を含む): 40008912870

約数和(自身を除く): 19846941094

約数列:

[1, 2, 4, 8, 16, 32, 64, 315030809, 630061618, 1260123236, 2520246472, 5040492944, 10080985888, 20161971776]

約数ペア:

[(1, 20161971776), (2, 10080985888), (4, 5040492944), (8, 2520246472), (16, 1260123236), (32, 630061618), (64, 315030809)]