20183821

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4146419

約数列:

[1, 7, 31, 47, 217, 329, 1457, 1979, 10199, 13853, 61349, 93013, 429443, 651091, 2883403, 20183821]

約数ペア:

[(1, 20183821), (7, 2883403), (31, 651091), (47, 429443), (217, 93013), (329, 61349), (1457, 13853), (1979, 10199)]