20138347580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{58991}}^1$

素因数の和:59127

約数の個数: 72

約数和(自身を含む): 46248076224

約数和(自身を除く): 26109728644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 169, 202, 260, 338, 404, 505, 676, 845, 1010, 1313, 1690, 2020, 2626, 3380, 5252, 6565, 13130, 17069, 26260, 34138, 58991, 68276, 85345, 117982, 170690, 235964, 294955, 341380, 589910, 766883, 1179820, 1533766, 3067532, 3834415, 5958091, 7668830, 9969479, 11916182, 15337660, 19938958, 23832364, 29790455, 39877916, 49847395, 59580910, 77455183, 99694790, 119161820, 154910366, 199389580, 309820732, 387275915, 774551830, 1006917379, 1549103660, 2013834758, 4027669516, 5034586895, 10069173790, 20138347580]

約数ペア:

[(1, 20138347580), (2, 10069173790), (4, 5034586895), (5, 4027669516), (10, 2013834758), (13, 1549103660), (20, 1006917379), (26, 774551830), (52, 387275915), (65, 309820732), (101, 199389580), (130, 154910366), (169, 119161820), (202, 99694790), (260, 77455183), (338, 59580910), (404, 49847395), (505, 39877916), (676, 29790455), (845, 23832364), (1010, 19938958), (1313, 15337660), (1690, 11916182), (2020, 9969479), (2626, 7668830), (3380, 5958091), (5252, 3834415), (6565, 3067532), (13130, 1533766), (17069, 1179820), (26260, 766883), (34138, 589910), (58991, 341380), (68276, 294955), (85345, 235964), (117982, 170690)]