20629508

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 18755068

約数列:

[1, 2, 4, 31, 43, 53, 62, 73, 86, 106, 124, 146, 172, 212, 292, 1333, 1643, 2263, 2279, 2666, 3139, 3286, 3869, 4526, 4558, 5332, 6278, 6572, 7738, 9052, 9116, 12556, 15476, 70649, 97309, 119939, 141298, 166367, 194618, 239878, 282596, 332734, 389236, 479756, 665468, 5157377, 10314754, 20629508]

約数ペア:

[(1, 20629508), (2, 10314754), (4, 5157377), (31, 665468), (43, 479756), (53, 389236), (62, 332734), (73, 282596), (86, 239878), (106, 194618), (124, 166367), (146, 141298), (172, 119939), (212, 97309), (292, 70649), (1333, 15476), (1643, 12556), (2263, 9116), (2279, 9052), (2666, 7738), (3139, 6572), (3286, 6278), (3869, 5332), (4526, 4558)]