20125966904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{843361}}^1$

素因数の和:843543

約数の個数: 32

約数和(自身を含む): 39975358800

約数和(自身を除く): 19849391896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 1256, 2983, 5966, 11932, 23864, 843361, 1686722, 3373444, 6746888, 16023859, 32047718, 64095436, 128190872, 132407677, 264815354, 529630708, 1059261416, 2515745863, 5031491726, 10062983452, 20125966904]

約数ペア:

[(1, 20125966904), (2, 10062983452), (4, 5031491726), (8, 2515745863), (19, 1059261416), (38, 529630708), (76, 264815354), (152, 132407677), (157, 128190872), (314, 64095436), (628, 32047718), (1256, 16023859), (2983, 6746888), (5966, 3373444), (11932, 1686722), (23864, 843361)]