20491458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9059}}^1$

素因数の和:9106

約数の個数: 32

約数和(自身を含む): 45662400

約数和(自身を除く): 25170942

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9059, 18118, 27177, 54354, 117767, 235534, 262711, 353301, 525422, 706602, 788133, 1576266, 3415243, 6830486, 10245729, 20491458]

約数ペア:

[(1, 20491458), (2, 10245729), (3, 6830486), (6, 3415243), (13, 1576266), (26, 788133), (29, 706602), (39, 525422), (58, 353301), (78, 262711), (87, 235534), (174, 117767), (377, 54354), (754, 27177), (1131, 18118), (2262, 9059)]