20212930744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{81749}}^1$

素因数の和:82783

約数の個数: 32

約数和(自身を含む): 39161520000

約数和(自身を除く): 18948589256

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 997, 1994, 3988, 7976, 30907, 61814, 81749, 123628, 163498, 247256, 326996, 653992, 2534219, 5068438, 10136876, 20273752, 81503753, 163007506, 326015012, 652030024, 2526616343, 5053232686, 10106465372, 20212930744]

約数ペア:

[(1, 20212930744), (2, 10106465372), (4, 5053232686), (8, 2526616343), (31, 652030024), (62, 326015012), (124, 163007506), (248, 81503753), (997, 20273752), (1994, 10136876), (3988, 5068438), (7976, 2534219), (30907, 653992), (61814, 326996), (81749, 247256), (123628, 163498)]