20017692

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2040

約数の個数: 60

約数和(自身を含む): 54045376

約数和(自身を除く): 34027684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 1993, 2511, 3348, 3986, 5022, 5979, 7972, 10044, 11958, 17937, 23916, 35874, 53811, 61783, 71748, 107622, 123566, 161433, 185349, 215244, 247132, 322866, 370698, 556047, 645732, 741396, 1112094, 1668141, 2224188, 3336282, 5004423, 6672564, 10008846, 20017692]

約数ペア:

[(1, 20017692), (2, 10008846), (3, 6672564), (4, 5004423), (6, 3336282), (9, 2224188), (12, 1668141), (18, 1112094), (27, 741396), (31, 645732), (36, 556047), (54, 370698), (62, 322866), (81, 247132), (93, 215244), (108, 185349), (124, 161433), (162, 123566), (186, 107622), (279, 71748), (324, 61783), (372, 53811), (558, 35874), (837, 23916), (1116, 17937), (1674, 11958), (1993, 10044), (2511, 7972), (3348, 5979), (3986, 5022)]