20070280184

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{107}}^2\times {\mathrm{607}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 40157339040

約数和(自身を除く): 20087058856

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 361, 428, 607, 722, 856, 1214, 1444, 2033, 2428, 2888, 4066, 4856, 8132, 11449, 11533, 16264, 22898, 23066, 38627, 45796, 46132, 64949, 77254, 91592, 92264, 129898, 154508, 217531, 219127, 259796, 309016, 435062, 438254, 519592, 870124, 876508, 1234031, 1740248, 1753016, 2468062, 4133089, 4936124, 6949543, 8266178, 9872248, 13899086, 16532356, 23446589, 27798172, 33064712, 46893178, 55596344, 93786356, 132041317, 187572712, 264082634, 528165268, 1056330536, 2508785023, 5017570046, 10035140092, 20070280184]

約数ペア:

[(1, 20070280184), (2, 10035140092), (4, 5017570046), (8, 2508785023), (19, 1056330536), (38, 528165268), (76, 264082634), (107, 187572712), (152, 132041317), (214, 93786356), (361, 55596344), (428, 46893178), (607, 33064712), (722, 27798172), (856, 23446589), (1214, 16532356), (1444, 13899086), (2033, 9872248), (2428, 8266178), (2888, 6949543), (4066, 4936124), (4856, 4133089), (8132, 2468062), (11449, 1753016), (11533, 1740248), (16264, 1234031), (22898, 876508), (23066, 870124), (38627, 519592), (45796, 438254), (46132, 435062), (64949, 309016), (77254, 259796), (91592, 219127), (92264, 217531), (129898, 154508)]