20925372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 54290432

約数和(自身を除く): 33365060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4327, 4836, 8654, 12981, 17308, 25962, 51924, 56251, 112502, 134137, 168753, 225004, 268274, 337506, 402411, 536548, 675012, 804822, 1609644, 1743781, 3487562, 5231343, 6975124, 10462686, 20925372]

約数ペア:

[(1, 20925372), (2, 10462686), (3, 6975124), (4, 5231343), (6, 3487562), (12, 1743781), (13, 1609644), (26, 804822), (31, 675012), (39, 536548), (52, 402411), (62, 337506), (78, 268274), (93, 225004), (124, 168753), (156, 134137), (186, 112502), (372, 56251), (403, 51924), (806, 25962), (1209, 17308), (1612, 12981), (2418, 8654), (4327, 4836)]