20123343279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{659}}^1\times {\mathrm{727}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 31481049600

約数和(自身を除く): 11357706321

約数列:

[1, 3, 9, 13, 39, 117, 359, 659, 727, 1077, 1977, 2181, 3231, 4667, 5931, 6543, 8567, 9451, 14001, 25701, 28353, 42003, 77103, 85059, 236581, 260993, 479093, 709743, 782979, 1437279, 2129229, 2348937, 3075553, 3392909, 4311837, 6228209, 9226659, 10178727, 18684627, 27679977, 30536181, 56053881, 171994387, 515983161, 1547949483, 2235927031, 6707781093, 20123343279]

約数ペア:

[(1, 20123343279), (3, 6707781093), (9, 2235927031), (13, 1547949483), (39, 515983161), (117, 171994387), (359, 56053881), (659, 30536181), (727, 27679977), (1077, 18684627), (1977, 10178727), (2181, 9226659), (3231, 6228209), (4667, 4311837), (5931, 3392909), (6543, 3075553), (8567, 2348937), (9451, 2129229), (14001, 1437279), (25701, 782979), (28353, 709743), (42003, 479093), (77103, 260993), (85059, 236581)]