20377242

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2689}}^1$

素因数の和:3118

約数の個数: 24

約数和(自身を含む): 44272020

約数和(自身を除く): 23894778

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2689, 3789, 5378, 7578, 8067, 16134, 24201, 48402, 1132069, 2264138, 3396207, 6792414, 10188621, 20377242]

約数ペア:

[(1, 20377242), (2, 10188621), (3, 6792414), (6, 3396207), (9, 2264138), (18, 1132069), (421, 48402), (842, 24201), (1263, 16134), (2526, 8067), (2689, 7578), (3789, 5378)]