20492556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4603}}^1$

素因数の和:4670

約数の個数: 48

約数和(自身を含む): 55689984

約数和(自身を除く): 35197428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4603, 9206, 13809, 18412, 27618, 32221, 55236, 64442, 96663, 128884, 193326, 243959, 386652, 487918, 731877, 975836, 1463754, 1707713, 2927508, 3415426, 5123139, 6830852, 10246278, 20492556]

約数ペア:

[(1, 20492556), (2, 10246278), (3, 6830852), (4, 5123139), (6, 3415426), (7, 2927508), (12, 1707713), (14, 1463754), (21, 975836), (28, 731877), (42, 487918), (53, 386652), (84, 243959), (106, 193326), (159, 128884), (212, 96663), (318, 64442), (371, 55236), (636, 32221), (742, 27618), (1113, 18412), (1484, 13809), (2226, 9206), (4452, 4603)]