20778674

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16718926

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 839, 854, 1678, 1769, 3538, 5873, 11746, 12383, 24331, 24766, 48662, 51179, 102358, 170317, 340634, 358253, 716506, 1484191, 2968382, 10389337, 20778674]

約数ペア:

[(1, 20778674), (2, 10389337), (7, 2968382), (14, 1484191), (29, 716506), (58, 358253), (61, 340634), (122, 170317), (203, 102358), (406, 51179), (427, 48662), (839, 24766), (854, 24331), (1678, 12383), (1769, 11746), (3538, 5873)]