20115154

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 32094540

約数和(自身を除く): 11979386

約数列:

[1, 2, 29, 47, 58, 94, 157, 314, 1363, 2209, 2726, 4418, 4553, 7379, 9106, 14758, 64061, 128122, 213991, 346813, 427982, 693626, 10057577, 20115154]

約数ペア:

[(1, 20115154), (2, 10057577), (29, 693626), (47, 427982), (58, 346813), (94, 213991), (157, 128122), (314, 64061), (1363, 14758), (2209, 9106), (2726, 7379), (4418, 4553)]