20991001154

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1\times {\mathrm{187423}}^1$

素因数の和:189385

約数の個数: 16

約数和(自身を含む): 32589285120

約数和(自身を除く): 11598283966

約数列:

[1, 2, 29, 58, 1931, 3862, 55999, 111998, 187423, 374846, 5435267, 10870534, 361913813, 723827626, 10495500577, 20991001154]

約数ペア:

[(1, 20991001154), (2, 10495500577), (29, 723827626), (58, 361913813), (1931, 10870534), (3862, 5435267), (55999, 374846), (111998, 187423)]