20186656

素因数分解:

$2^5\times 7^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 25548320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 227, 397, 454, 794, 908, 1588, 1589, 1816, 2779, 3176, 3178, 3632, 5558, 6352, 6356, 7264, 11116, 12704, 12712, 22232, 25424, 44464, 50848, 88928, 90119, 180238, 360476, 630833, 720952, 1261666, 1441904, 2523332, 2883808, 5046664, 10093328, 20186656]

約数ペア:

[(1, 20186656), (2, 10093328), (4, 5046664), (7, 2883808), (8, 2523332), (14, 1441904), (16, 1261666), (28, 720952), (32, 630833), (56, 360476), (112, 180238), (224, 90119), (227, 88928), (397, 50848), (454, 44464), (794, 25424), (908, 22232), (1588, 12712), (1589, 12704), (1816, 11116), (2779, 7264), (3176, 6356), (3178, 6352), (3632, 5558)]