20171150940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{339239}}^1$

素因数の和:340242

約数の個数: 48

約数和(自身を含む): 56536381440

約数和(自身を除く): 36365230500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 991, 1982, 2973, 3964, 4955, 5946, 9910, 11892, 14865, 19820, 29730, 59460, 339239, 678478, 1017717, 1356956, 1696195, 2035434, 3392390, 4070868, 5088585, 6784780, 10177170, 20354340, 336185849, 672371698, 1008557547, 1344743396, 1680929245, 2017115094, 3361858490, 4034230188, 5042787735, 6723716980, 10085575470, 20171150940]

約数ペア:

[(1, 20171150940), (2, 10085575470), (3, 6723716980), (4, 5042787735), (5, 4034230188), (6, 3361858490), (10, 2017115094), (12, 1680929245), (15, 1344743396), (20, 1008557547), (30, 672371698), (60, 336185849), (991, 20354340), (1982, 10177170), (2973, 6784780), (3964, 5088585), (4955, 4070868), (5946, 3392390), (9910, 2035434), (11892, 1696195), (14865, 1356956), (19820, 1017717), (29730, 678478), (59460, 339239)]