20131090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9277}}^1$

素因数の和:9322

約数の個数: 32

約数和(自身を含む): 42753024

約数和(自身を除く): 22621934

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9277, 18554, 46385, 64939, 92770, 129878, 287587, 324695, 575174, 649390, 1437935, 2013109, 2875870, 4026218, 10065545, 20131090]

約数ペア:

[(1, 20131090), (2, 10065545), (5, 4026218), (7, 2875870), (10, 2013109), (14, 1437935), (31, 649390), (35, 575174), (62, 324695), (70, 287587), (155, 129878), (217, 92770), (310, 64939), (434, 46385), (1085, 18554), (2170, 9277)]