20937778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4133}}^1$

素因数の和:4301

約数の個数: 16

約数和(自身を含む): 33485400

約数和(自身を除く): 12547622

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4133, 5066, 8266, 70261, 140522, 615817, 1231634, 10468889, 20937778]

約数ペア:

[(1, 20937778), (2, 10468889), (17, 1231634), (34, 615817), (149, 140522), (298, 70261), (2533, 8266), (4133, 5066)]