20383544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 41089680

約数和(自身を除く): 20706136

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2237, 2278, 4474, 4556, 8948, 9112, 17896, 38029, 76058, 149879, 152116, 299758, 304232, 599516, 1199032, 2547943, 5095886, 10191772, 20383544]

約数ペア:

[(1, 20383544), (2, 10191772), (4, 5095886), (8, 2547943), (17, 1199032), (34, 599516), (67, 304232), (68, 299758), (134, 152116), (136, 149879), (268, 76058), (536, 38029), (1139, 17896), (2237, 9112), (2278, 8948), (4474, 4556)]