20974804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13411}}^1$

素因数の和:13455

約数の個数: 24

約数和(自身を含む): 40557888

約数和(自身を除く): 19583084

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13411, 26822, 53644, 227987, 308453, 455974, 616906, 911948, 1233812, 5243701, 10487402, 20974804]

約数ペア:

[(1, 20974804), (2, 10487402), (4, 5243701), (17, 1233812), (23, 911948), (34, 616906), (46, 455974), (68, 308453), (92, 227987), (391, 53644), (782, 26822), (1564, 13411)]