20147560468

素因数分解:

$2^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{637339}}^1$

素因数の和:638479

約数の個数: 24

約数和(自身を含む): 40330875200

約数和(自身を除く): 20183314732

約数列:

[1, 2, 4, 7, 14, 28, 1129, 2258, 4516, 7903, 15806, 31612, 637339, 1274678, 2549356, 4461373, 8922746, 17845492, 719555731, 1439111462, 2878222924, 5036890117, 10073780234, 20147560468]

約数ペア:

[(1, 20147560468), (2, 10073780234), (4, 5036890117), (7, 2878222924), (14, 1439111462), (28, 719555731), (1129, 17845492), (2258, 8922746), (4516, 4461373), (7903, 2549356), (15806, 1274678), (31612, 637339)]