20989470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699649}}^1$

素因数の和:699659

約数の個数: 16

約数和(自身を含む): 50374800

約数和(自身を除く): 29385330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699649, 1399298, 2098947, 3498245, 4197894, 6996490, 10494735, 20989470]

約数ペア:

[(1, 20989470), (2, 10494735), (3, 6996490), (5, 4197894), (6, 3498245), (10, 2098947), (15, 1399298), (30, 699649)]