20535760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36671}}^1$

素因数の和:36691

約数の個数: 40

約数和(自身を含む): 54567936

約数和(自身を除く): 34032176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36671, 73342, 146684, 183355, 256697, 293368, 366710, 513394, 586736, 733420, 1026788, 1283485, 1466840, 2053576, 2566970, 2933680, 4107152, 5133940, 10267880, 20535760]

約数ペア:

[(1, 20535760), (2, 10267880), (4, 5133940), (5, 4107152), (7, 2933680), (8, 2566970), (10, 2053576), (14, 1466840), (16, 1283485), (20, 1026788), (28, 733420), (35, 586736), (40, 513394), (56, 366710), (70, 293368), (80, 256697), (112, 183355), (140, 146684), (280, 73342), (560, 36671)]