20767923

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 13856589

約数列:

[1, 3, 9, 11, 31, 33, 67, 93, 99, 101, 201, 279, 303, 341, 603, 737, 909, 1023, 1111, 2077, 2211, 3069, 3131, 3333, 6231, 6633, 6767, 9393, 9999, 18693, 20301, 22847, 28179, 34441, 60903, 68541, 74437, 103323, 205623, 209777, 223311, 309969, 629331, 669933, 1887993, 2307547, 6922641, 20767923]

約数ペア:

[(1, 20767923), (3, 6922641), (9, 2307547), (11, 1887993), (31, 669933), (33, 629331), (67, 309969), (93, 223311), (99, 209777), (101, 205623), (201, 103323), (279, 74437), (303, 68541), (341, 60903), (603, 34441), (737, 28179), (909, 22847), (1023, 20301), (1111, 18693), (2077, 9999), (2211, 9393), (3069, 6767), (3131, 6633), (3333, 6231)]