20779621803

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 30969193216

約数和(自身を除く): 10189571413

約数列:

[1, 3, 9, 67, 103, 157, 201, 309, 471, 603, 927, 1413, 2131, 6393, 6901, 10519, 16171, 19179, 20703, 31557, 48513, 62109, 94671, 142777, 145539, 219493, 334567, 428331, 658479, 1003701, 1083457, 1284993, 1975437, 3011103, 3250371, 9751113, 14706031, 22415989, 34460401, 44118093, 67247967, 103381203, 132354279, 201743901, 310143609, 2308846867, 6926540601, 20779621803]

約数ペア:

[(1, 20779621803), (3, 6926540601), (9, 2308846867), (67, 310143609), (103, 201743901), (157, 132354279), (201, 103381203), (309, 67247967), (471, 44118093), (603, 34460401), (927, 22415989), (1413, 14706031), (2131, 9751113), (6393, 3250371), (6901, 3011103), (10519, 1975437), (16171, 1284993), (19179, 1083457), (20703, 1003701), (31557, 658479), (48513, 428331), (62109, 334567), (94671, 219493), (142777, 145539)]