20185464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2140

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 35939976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2087, 2418, 3224, 4174, 4836, 6261, 8348, 9672, 12522, 16696, 25044, 27131, 50088, 54262, 64697, 81393, 108524, 129394, 162786, 194091, 217048, 258788, 325572, 388182, 517576, 651144, 776364, 841061, 1552728, 1682122, 2523183, 3364244, 5046366, 6728488, 10092732, 20185464]

約数ペア:

[(1, 20185464), (2, 10092732), (3, 6728488), (4, 5046366), (6, 3364244), (8, 2523183), (12, 1682122), (13, 1552728), (24, 841061), (26, 776364), (31, 651144), (39, 517576), (52, 388182), (62, 325572), (78, 258788), (93, 217048), (104, 194091), (124, 162786), (156, 129394), (186, 108524), (248, 81393), (312, 64697), (372, 54262), (403, 50088), (744, 27131), (806, 25044), (1209, 16696), (1612, 12522), (2087, 9672), (2418, 8348), (3224, 6261), (4174, 4836)]