20138115956

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1725

約数の個数: 96

約数和(自身を含む): 41960540160

約数和(自身を除く): 21822424204

約数列:

[1, 2, 4, 7, 14, 28, 53, 71, 106, 131, 142, 212, 262, 284, 371, 497, 524, 742, 917, 994, 1459, 1484, 1834, 1988, 2918, 3668, 3763, 5836, 6943, 7526, 9301, 10213, 13886, 15052, 18602, 20426, 26341, 27772, 37204, 40852, 48601, 52682, 65107, 77327, 97202, 103589, 105364, 130214, 154654, 191129, 194404, 207178, 260428, 309308, 382258, 414356, 492953, 541289, 725123, 764516, 985906, 1082578, 1337903, 1450246, 1971812, 2165156, 2675806, 2900492, 3450671, 5351612, 5490217, 6901342, 10129837, 10980434, 13570159, 13802684, 20259674, 21960868, 27140318, 38431519, 40519348, 54280636, 70908859, 76863038, 94991113, 141817718, 153726076, 189982226, 283635436, 379964452, 719218427, 1438436854, 2876873708, 5034528989, 10069057978, 20138115956]

約数ペア:

[(1, 20138115956), (2, 10069057978), (4, 5034528989), (7, 2876873708), (14, 1438436854), (28, 719218427), (53, 379964452), (71, 283635436), (106, 189982226), (131, 153726076), (142, 141817718), (212, 94991113), (262, 76863038), (284, 70908859), (371, 54280636), (497, 40519348), (524, 38431519), (742, 27140318), (917, 21960868), (994, 20259674), (1459, 13802684), (1484, 13570159), (1834, 10980434), (1988, 10129837), (2918, 6901342), (3668, 5490217), (3763, 5351612), (5836, 3450671), (6943, 2900492), (7526, 2675806), (9301, 2165156), (10213, 1971812), (13886, 1450246), (15052, 1337903), (18602, 1082578), (20426, 985906), (26341, 764516), (27772, 725123), (37204, 541289), (40852, 492953), (48601, 414356), (52682, 382258), (65107, 309308), (77327, 260428), (97202, 207178), (103589, 194404), (105364, 191129), (130214, 154654)]