20028570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1549}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 28182630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1549, 2155, 2586, 3098, 4310, 4647, 6465, 7745, 9294, 12930, 15490, 23235, 46470, 667619, 1335238, 2002857, 3338095, 4005714, 6676190, 10014285, 20028570]

約数ペア:

[(1, 20028570), (2, 10014285), (3, 6676190), (5, 4005714), (6, 3338095), (10, 2002857), (15, 1335238), (30, 667619), (431, 46470), (862, 23235), (1293, 15490), (1549, 12930), (2155, 9294), (2586, 7745), (3098, 6465), (4310, 4647)]