20180920344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{93607}}^1$

素因数の和:94320

約数の個数: 64

約数和(自身を含む): 54412458240

約数和(自身を除く): 34231537896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 691, 1382, 2073, 2764, 4146, 5528, 8292, 8983, 16584, 17966, 26949, 35932, 53898, 71864, 93607, 107796, 187214, 215592, 280821, 374428, 561642, 748856, 1123284, 1216891, 2246568, 2433782, 3650673, 4867564, 7301346, 9735128, 14602692, 29205384, 64682437, 129364874, 194047311, 258729748, 388094622, 517459496, 776189244, 840871681, 1552378488, 1681743362, 2522615043, 3363486724, 5045230086, 6726973448, 10090460172, 20180920344]

約数ペア:

[(1, 20180920344), (2, 10090460172), (3, 6726973448), (4, 5045230086), (6, 3363486724), (8, 2522615043), (12, 1681743362), (13, 1552378488), (24, 840871681), (26, 776189244), (39, 517459496), (52, 388094622), (78, 258729748), (104, 194047311), (156, 129364874), (312, 64682437), (691, 29205384), (1382, 14602692), (2073, 9735128), (2764, 7301346), (4146, 4867564), (5528, 3650673), (8292, 2433782), (8983, 2246568), (16584, 1216891), (17966, 1123284), (26949, 748856), (35932, 561642), (53898, 374428), (71864, 280821), (93607, 215592), (107796, 187214)]