20184200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 48040080

約数和(自身を除く): 27855880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 2347, 4300, 4694, 8600, 9388, 11735, 18776, 23470, 46940, 58675, 93880, 100921, 117350, 201842, 234700, 403684, 469400, 504605, 807368, 1009210, 2018420, 2523025, 4036840, 5046050, 10092100, 20184200]

約数ペア:

[(1, 20184200), (2, 10092100), (4, 5046050), (5, 4036840), (8, 2523025), (10, 2018420), (20, 1009210), (25, 807368), (40, 504605), (43, 469400), (50, 403684), (86, 234700), (100, 201842), (172, 117350), (200, 100921), (215, 93880), (344, 58675), (430, 46940), (860, 23470), (1075, 18776), (1720, 11735), (2150, 9388), (2347, 8600), (4300, 4694)]