20404576

素因数分解:

$2^5\times {\mathrm{53}}^2\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 36

約数和(自身を含む): 41124132

約数和(自身を除く): 20719556

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 227, 424, 454, 848, 908, 1696, 1816, 2809, 3632, 5618, 7264, 11236, 12031, 22472, 24062, 44944, 48124, 89888, 96248, 192496, 384992, 637643, 1275286, 2550572, 5101144, 10202288, 20404576]

約数ペア:

[(1, 20404576), (2, 10202288), (4, 5101144), (8, 2550572), (16, 1275286), (32, 637643), (53, 384992), (106, 192496), (212, 96248), (227, 89888), (424, 48124), (454, 44944), (848, 24062), (908, 22472), (1696, 12031), (1816, 11236), (2809, 7264), (3632, 5618)]