20210773660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13123879}}^1$

素因数の和:13123906

約数の個数: 48

約数和(自身を含む): 52915484160

約数和(自身を除く): 32704710500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13123879, 26247758, 52495516, 65619395, 91867153, 131238790, 144362669, 183734306, 262477580, 288725338, 367468612, 459335765, 577450676, 721813345, 918671530, 1010538683, 1443626690, 1837343060, 2021077366, 2887253380, 4042154732, 5052693415, 10105386830, 20210773660]

約数ペア:

[(1, 20210773660), (2, 10105386830), (4, 5052693415), (5, 4042154732), (7, 2887253380), (10, 2021077366), (11, 1837343060), (14, 1443626690), (20, 1010538683), (22, 918671530), (28, 721813345), (35, 577450676), (44, 459335765), (55, 367468612), (70, 288725338), (77, 262477580), (110, 183734306), (140, 144362669), (154, 131238790), (220, 91867153), (308, 65619395), (385, 52495516), (770, 26247758), (1540, 13123879)]