20009355890

素因数分解:

$2^1\times 5^1\times {\mathrm{7481}}^1\times {\mathrm{267469}}^1$

素因数の和:274957

約数の個数: 16

約数和(自身を含む): 36021789720

約数和(自身を除く): 16012433830

約数列:

[1, 2, 5, 10, 7481, 14962, 37405, 74810, 267469, 534938, 1337345, 2674690, 2000935589, 4001871178, 10004677945, 20009355890]

約数ペア:

[(1, 20009355890), (2, 10004677945), (5, 4001871178), (10, 2000935589), (7481, 2674690), (14962, 1337345), (37405, 534938), (74810, 267469)]