20382418

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 36783360

約数和(自身を除く): 16400942

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 823, 854, 1646, 1769, 3538, 5761, 11522, 12383, 23867, 24766, 47734, 50203, 100406, 167069, 334138, 351421, 702842, 1455887, 2911774, 10191209, 20382418]

約数ペア:

[(1, 20382418), (2, 10191209), (7, 2911774), (14, 1455887), (29, 702842), (58, 351421), (61, 334138), (122, 167069), (203, 100406), (406, 50203), (427, 47734), (823, 24766), (854, 23867), (1646, 12383), (1769, 11522), (3538, 5761)]