20161778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2357}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 38029824

約数和(自身を除く): 17868046

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2357, 4277, 4714, 8554, 16499, 30641, 32998, 61282, 110779, 214487, 221558, 428974, 775453, 1440127, 1550906, 2880254, 10080889, 20161778]

約数ペア:

[(1, 20161778), (2, 10080889), (7, 2880254), (13, 1550906), (14, 1440127), (26, 775453), (47, 428974), (91, 221558), (94, 214487), (182, 110779), (329, 61282), (611, 32998), (658, 30641), (1222, 16499), (2357, 8554), (4277, 4714)]