20681799278

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1\times {\mathrm{16069}}^1$

素因数の和:16844

約数の個数: 32

約数和(自身を含む): 35752536000

約数和(自身を除く): 15070736722

約数列:

[1, 2, 7, 14, 149, 298, 617, 1043, 1234, 2086, 4319, 8638, 16069, 32138, 91933, 112483, 183866, 224966, 643531, 1287062, 2394281, 4788562, 9914573, 16759967, 19829146, 33519934, 69402011, 138804022, 1477271377, 2954542754, 10340899639, 20681799278]

約数ペア:

[(1, 20681799278), (2, 10340899639), (7, 2954542754), (14, 1477271377), (149, 138804022), (298, 69402011), (617, 33519934), (1043, 19829146), (1234, 16759967), (2086, 9914573), (4319, 4788562), (8638, 2394281), (16069, 1287062), (32138, 643531), (91933, 224966), (112483, 183866)]