20948260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55127}}^1$

素因数の和:55155

約数の個数: 24

約数和(自身を含む): 46307520

約数和(自身を除く): 25359260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 55127, 110254, 220508, 275635, 551270, 1047413, 1102540, 2094826, 4189652, 5237065, 10474130, 20948260]

約数ペア:

[(1, 20948260), (2, 10474130), (4, 5237065), (5, 4189652), (10, 2094826), (19, 1102540), (20, 1047413), (38, 551270), (76, 275635), (95, 220508), (190, 110254), (380, 55127)]