20157322448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40639763}}^1$

素因数の和:40639802

約数の個数: 20

約数和(自身を含む): 40314645888

約数和(自身を除く): 20157323440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40639763, 81279526, 162559052, 325118104, 650236208, 1259832653, 2519665306, 5039330612, 10078661224, 20157322448]

約数ペア:

[(1, 20157322448), (2, 10078661224), (4, 5039330612), (8, 2519665306), (16, 1259832653), (31, 650236208), (62, 325118104), (124, 162559052), (248, 81279526), (496, 40639763)]