20996682

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3067}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 48302592

約数和(自身を除く): 27305910

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3067, 3423, 6134, 6846, 9201, 18402, 21469, 42938, 64407, 128814, 499921, 999842, 1499763, 2999526, 3499447, 6998894, 10498341, 20996682]

約数ペア:

[(1, 20996682), (2, 10498341), (3, 6998894), (6, 3499447), (7, 2999526), (14, 1499763), (21, 999842), (42, 499921), (163, 128814), (326, 64407), (489, 42938), (978, 21469), (1141, 18402), (2282, 9201), (3067, 6846), (3423, 6134)]