20410312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 41441400

約数和(自身を除く): 21031088

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 857, 916, 1714, 1832, 2977, 3428, 5954, 6856, 11141, 11908, 22282, 23816, 44564, 89128, 196253, 392506, 785012, 1570024, 2551289, 5102578, 10205156, 20410312]

約数ペア:

[(1, 20410312), (2, 10205156), (4, 5102578), (8, 2551289), (13, 1570024), (26, 785012), (52, 392506), (104, 196253), (229, 89128), (458, 44564), (857, 23816), (916, 22282), (1714, 11908), (1832, 11141), (2977, 6856), (3428, 5954)]