20525680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36653}}^1$

素因数の和:36673

約数の個数: 40

約数和(自身を含む): 54541152

約数和(自身を除く): 34015472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36653, 73306, 146612, 183265, 256571, 293224, 366530, 513142, 586448, 733060, 1026284, 1282855, 1466120, 2052568, 2565710, 2932240, 4105136, 5131420, 10262840, 20525680]

約数ペア:

[(1, 20525680), (2, 10262840), (4, 5131420), (5, 4105136), (7, 2932240), (8, 2565710), (10, 2052568), (14, 1466120), (16, 1282855), (20, 1026284), (28, 733060), (35, 586448), (40, 513142), (56, 366530), (70, 293224), (80, 256571), (112, 183265), (140, 146612), (280, 73306), (560, 36653)]