20053856872

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1\times {\mathrm{7817}}^1$

素因数の和:8642

約数の個数: 64

約数和(自身を含む): 43740771840

約数和(自身を除く): 23686914968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 751, 854, 1502, 1708, 3004, 3416, 5257, 6008, 7817, 10514, 15634, 21028, 31268, 42056, 45811, 54719, 62536, 91622, 109438, 183244, 218876, 320677, 366488, 437752, 476837, 641354, 953674, 1282708, 1907348, 2565416, 3337859, 3814696, 5870567, 6675718, 11741134, 13351436, 23482268, 26702872, 41093969, 46964536, 82187938, 164375876, 328751752, 358104587, 716209174, 1432418348, 2506732109, 2864836696, 5013464218, 10026928436, 20053856872]

約数ペア:

[(1, 20053856872), (2, 10026928436), (4, 5013464218), (7, 2864836696), (8, 2506732109), (14, 1432418348), (28, 716209174), (56, 358104587), (61, 328751752), (122, 164375876), (244, 82187938), (427, 46964536), (488, 41093969), (751, 26702872), (854, 23482268), (1502, 13351436), (1708, 11741134), (3004, 6675718), (3416, 5870567), (5257, 3814696), (6008, 3337859), (7817, 2565416), (10514, 1907348), (15634, 1282708), (21028, 953674), (31268, 641354), (42056, 476837), (45811, 437752), (54719, 366488), (62536, 320677), (91622, 218876), (109438, 183244)]