20886632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 42407400

約数和(自身を除く): 21520768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 877, 916, 1754, 1832, 2977, 3508, 5954, 7016, 11401, 11908, 22802, 23816, 45604, 91208, 200833, 401666, 803332, 1606664, 2610829, 5221658, 10443316, 20886632]

約数ペア:

[(1, 20886632), (2, 10443316), (4, 5221658), (8, 2610829), (13, 1606664), (26, 803332), (52, 401666), (104, 200833), (229, 91208), (458, 45604), (877, 23816), (916, 22802), (1754, 11908), (1832, 11401), (2977, 7016), (3508, 5954)]