20195887987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 25021301760

約数和(自身を除く): 4825413773

約数列:

[1, 11, 17, 19, 101, 167, 187, 209, 323, 337, 1111, 1717, 1837, 1919, 2839, 3173, 3553, 3707, 5729, 6403, 16867, 18887, 21109, 31229, 32623, 34037, 34903, 53941, 56279, 63019, 70433, 108851, 185537, 286739, 320473, 358853, 374407, 578629, 593351, 619069, 646703, 956743, 1069301, 1197361, 3154129, 3525203, 5448041, 5684179, 6364919, 7113733, 10524173, 10993951, 11762311, 18178117, 59928451, 62525969, 96631043, 107999401, 120933461, 199959287, 1062941473, 1187993411, 1835989817, 20195887987]

約数ペア:

[(1, 20195887987), (11, 1835989817), (17, 1187993411), (19, 1062941473), (101, 199959287), (167, 120933461), (187, 107999401), (209, 96631043), (323, 62525969), (337, 59928451), (1111, 18178117), (1717, 11762311), (1837, 10993951), (1919, 10524173), (2839, 7113733), (3173, 6364919), (3553, 5684179), (3707, 5448041), (5729, 3525203), (6403, 3154129), (16867, 1197361), (18887, 1069301), (21109, 956743), (31229, 646703), (32623, 619069), (34037, 593351), (34903, 578629), (53941, 374407), (56279, 358853), (63019, 320473), (70433, 286739), (108851, 185537)]