20962893

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 33214464

約数和(自身を除く): 12251571

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 317, 329, 469, 951, 987, 1407, 2219, 3149, 6657, 9447, 14899, 21239, 22043, 44697, 63717, 66129, 104293, 148673, 312879, 446019, 998233, 2994699, 6987631, 20962893]

約数ペア:

[(1, 20962893), (3, 6987631), (7, 2994699), (21, 998233), (47, 446019), (67, 312879), (141, 148673), (201, 104293), (317, 66129), (329, 63717), (469, 44697), (951, 22043), (987, 21239), (1407, 14899), (2219, 9447), (3149, 6657)]