20018320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35747}}^1$

素因数の和:35767

約数の個数: 40

約数和(自身を含む): 53193024

約数和(自身を除く): 33174704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35747, 71494, 142988, 178735, 250229, 285976, 357470, 500458, 571952, 714940, 1000916, 1251145, 1429880, 2001832, 2502290, 2859760, 4003664, 5004580, 10009160, 20018320]

約数ペア:

[(1, 20018320), (2, 10009160), (4, 5004580), (5, 4003664), (7, 2859760), (8, 2502290), (10, 2001832), (14, 1429880), (16, 1251145), (20, 1000916), (28, 714940), (35, 571952), (40, 500458), (56, 357470), (70, 285976), (80, 250229), (112, 178735), (140, 142988), (280, 71494), (560, 35747)]