20723241

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{317}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 34679808

約数和(自身を除く): 13956567

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 283, 317, 849, 951, 1981, 2219, 3113, 3487, 5943, 6657, 9339, 10461, 21791, 24409, 65373, 73227, 89711, 269133, 627977, 986821, 1883931, 2960463, 6907747, 20723241]

約数ペア:

[(1, 20723241), (3, 6907747), (7, 2960463), (11, 1883931), (21, 986821), (33, 627977), (77, 269133), (231, 89711), (283, 73227), (317, 65373), (849, 24409), (951, 21791), (1981, 10461), (2219, 9339), (3113, 6657), (3487, 5943)]