20269940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8969}}^1$

素因数の和:9091

約数の個数: 24

約数和(自身を含む): 42948360

約数和(自身を除く): 22678420

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8969, 17938, 35876, 44845, 89690, 179380, 1013497, 2026994, 4053988, 5067485, 10134970, 20269940]

約数ペア:

[(1, 20269940), (2, 10134970), (4, 5067485), (5, 4053988), (10, 2026994), (20, 1013497), (113, 179380), (226, 89690), (452, 44845), (565, 35876), (1130, 17938), (2260, 8969)]