20017763528

素因数分解:

$2^3\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{250147}}^1$

素因数の和:251589

約数の個数: 32

約数和(自身を含む): 42925396800

約数和(自身を除く): 22907633272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1429, 2858, 5716, 10003, 11432, 20006, 40012, 80024, 250147, 500294, 1000588, 1751029, 2001176, 3502058, 7004116, 14008232, 357460063, 714920126, 1429840252, 2502220441, 2859680504, 5004440882, 10008881764, 20017763528]

約数ペア:

[(1, 20017763528), (2, 10008881764), (4, 5004440882), (7, 2859680504), (8, 2502220441), (14, 1429840252), (28, 714920126), (56, 357460063), (1429, 14008232), (2858, 7004116), (5716, 3502058), (10003, 2001176), (11432, 1751029), (20006, 1000588), (40012, 500294), (80024, 250147)]