20201692

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13613}}^1$

素因数の和:13677

約数の個数: 24

約数和(自身を含む): 41168736

約数和(自身を除く): 20967044

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13613, 27226, 54452, 95291, 190582, 381164, 721489, 1442978, 2885956, 5050423, 10100846, 20201692]

約数ペア:

[(1, 20201692), (2, 10100846), (4, 5050423), (7, 2885956), (14, 1442978), (28, 721489), (53, 381164), (106, 190582), (212, 95291), (371, 54452), (742, 27226), (1484, 13613)]