20705273043

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1\times {\mathrm{1481}}^1$

素因数の和:2204

約数の個数: 64

約数和(自身を含む): 34466245632

約数和(自身を除く): 13760972589

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 581, 617, 1079, 1481, 1743, 1851, 3237, 4319, 4443, 7553, 8021, 10367, 12957, 19253, 22659, 24063, 31101, 51211, 56147, 57759, 122923, 134771, 153633, 168441, 358477, 368769, 404313, 665743, 860461, 913777, 1075431, 1597999, 1997229, 2581383, 2741331, 4660201, 4793997, 6396439, 11185993, 11879101, 13980603, 19189317, 33557979, 35637303, 75843491, 83153707, 227530473, 249461121, 530904437, 985965383, 1592713311, 2957896149, 6901757681, 20705273043]

約数ペア:

[(1, 20705273043), (3, 6901757681), (7, 2957896149), (13, 1592713311), (21, 985965383), (39, 530904437), (83, 249461121), (91, 227530473), (249, 83153707), (273, 75843491), (581, 35637303), (617, 33557979), (1079, 19189317), (1481, 13980603), (1743, 11879101), (1851, 11185993), (3237, 6396439), (4319, 4793997), (4443, 4660201), (7553, 2741331), (8021, 2581383), (10367, 1997229), (12957, 1597999), (19253, 1075431), (22659, 913777), (24063, 860461), (31101, 665743), (51211, 404313), (56147, 368769), (57759, 358477), (122923, 168441), (134771, 153633)]