20105848

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7639}}^1$

素因数の和:7699

約数の個数: 32

約数和(自身を含む): 44006400

約数和(自身を除く): 23900552

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7639, 15278, 30556, 53473, 61112, 106946, 213892, 359033, 427784, 718066, 1436132, 2513231, 2872264, 5026462, 10052924, 20105848]

約数ペア:

[(1, 20105848), (2, 10052924), (4, 5026462), (7, 2872264), (8, 2513231), (14, 1436132), (28, 718066), (47, 427784), (56, 359033), (94, 213892), (188, 106946), (329, 61112), (376, 53473), (658, 30556), (1316, 15278), (2632, 7639)]