20041830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 54624240

約数和(自身を除く): 34582410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 109, 135, 162, 218, 227, 270, 327, 405, 454, 545, 654, 681, 810, 981, 1090, 1135, 1362, 1635, 1962, 2043, 2270, 2943, 3270, 3405, 4086, 4905, 5886, 6129, 6810, 8829, 9810, 10215, 12258, 14715, 17658, 18387, 20430, 24743, 29430, 30645, 36774, 44145, 49486, 61290, 74229, 88290, 91935, 123715, 148458, 183870, 222687, 247430, 371145, 445374, 668061, 742290, 1113435, 1336122, 2004183, 2226870, 3340305, 4008366, 6680610, 10020915, 20041830]

約数ペア:

[(1, 20041830), (2, 10020915), (3, 6680610), (5, 4008366), (6, 3340305), (9, 2226870), (10, 2004183), (15, 1336122), (18, 1113435), (27, 742290), (30, 668061), (45, 445374), (54, 371145), (81, 247430), (90, 222687), (109, 183870), (135, 148458), (162, 123715), (218, 91935), (227, 88290), (270, 74229), (327, 61290), (405, 49486), (454, 44145), (545, 36774), (654, 30645), (681, 29430), (810, 24743), (981, 20430), (1090, 18387), (1135, 17658), (1362, 14715), (1635, 12258), (1962, 10215), (2043, 9810), (2270, 8829), (2943, 6810), (3270, 6129), (3405, 5886), (4086, 4905)]