20784210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1543}}^1$

素因数の和:2002

約数の個数: 32

約数和(自身を含む): 50025600

約数和(自身を除く): 29241390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1543, 2245, 2694, 3086, 4490, 4629, 6735, 7715, 9258, 13470, 15430, 23145, 46290, 692807, 1385614, 2078421, 3464035, 4156842, 6928070, 10392105, 20784210]

約数ペア:

[(1, 20784210), (2, 10392105), (3, 6928070), (5, 4156842), (6, 3464035), (10, 2078421), (15, 1385614), (30, 692807), (449, 46290), (898, 23145), (1347, 15430), (1543, 13470), (2245, 9258), (2694, 7715), (3086, 6735), (4490, 4629)]