20008221478

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1\times {\mathrm{13697}}^1$

素因数の和:14548

約数の個数: 32

約数和(自身を含む): 34579450368

約数和(自身を除く): 14571228890

約数列:

[1, 2, 7, 14, 151, 302, 691, 1057, 1382, 2114, 4837, 9674, 13697, 27394, 95879, 104341, 191758, 208682, 730387, 1460774, 2068247, 4136494, 9464627, 14477729, 18929254, 28955458, 66252389, 132504778, 1429158677, 2858317354, 10004110739, 20008221478]

約数ペア:

[(1, 20008221478), (2, 10004110739), (7, 2858317354), (14, 1429158677), (151, 132504778), (302, 66252389), (691, 28955458), (1057, 18929254), (1382, 14477729), (2114, 9464627), (4837, 4136494), (9674, 2068247), (13697, 1460774), (27394, 730387), (95879, 208682), (104341, 191758)]