20812530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2579}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 50155200

約数和(自身を除く): 29342670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2579, 2690, 4035, 5158, 7737, 8070, 12895, 15474, 25790, 38685, 77370, 693751, 1387502, 2081253, 3468755, 4162506, 6937510, 10406265, 20812530]

約数ペア:

[(1, 20812530), (2, 10406265), (3, 6937510), (5, 4162506), (6, 3468755), (10, 2081253), (15, 1387502), (30, 693751), (269, 77370), (538, 38685), (807, 25790), (1345, 15474), (1614, 12895), (2579, 8070), (2690, 7737), (4035, 5158)]