20405728890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{186917}}^1$

素因数の和:188143

約数の個数: 48

約数和(自身を含む): 53098917768

約数和(自身を除く): 32693188878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1213, 2426, 3639, 6065, 7278, 10917, 12130, 18195, 21834, 36390, 54585, 109170, 186917, 373834, 560751, 934585, 1121502, 1682253, 1869170, 2803755, 3364506, 5607510, 8411265, 16822530, 226730321, 453460642, 680190963, 1133651605, 1360381926, 2040572889, 2267303210, 3400954815, 4081145778, 6801909630, 10202864445, 20405728890]

約数ペア:

[(1, 20405728890), (2, 10202864445), (3, 6801909630), (5, 4081145778), (6, 3400954815), (9, 2267303210), (10, 2040572889), (15, 1360381926), (18, 1133651605), (30, 680190963), (45, 453460642), (90, 226730321), (1213, 16822530), (2426, 8411265), (3639, 5607510), (6065, 3364506), (7278, 2803755), (10917, 1869170), (12130, 1682253), (18195, 1121502), (21834, 934585), (36390, 560751), (54585, 373834), (109170, 186917)]