20246360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7129}}^1$

素因数の和:7211

約数の個数: 32

約数和(自身を含む): 46202400

約数和(自身を除く): 25956040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7129, 14258, 28516, 35645, 57032, 71290, 142580, 285160, 506159, 1012318, 2024636, 2530795, 4049272, 5061590, 10123180, 20246360]

約数ペア:

[(1, 20246360), (2, 10123180), (4, 5061590), (5, 4049272), (8, 2530795), (10, 2024636), (20, 1012318), (40, 506159), (71, 285160), (142, 142580), (284, 71290), (355, 57032), (568, 35645), (710, 28516), (1420, 14258), (2840, 7129)]