20218410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 55103400

約数和(自身を除く): 34884990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 109, 135, 162, 218, 229, 270, 327, 405, 458, 545, 654, 687, 810, 981, 1090, 1145, 1374, 1635, 1962, 2061, 2290, 2943, 3270, 3435, 4122, 4905, 5886, 6183, 6870, 8829, 9810, 10305, 12366, 14715, 17658, 18549, 20610, 24961, 29430, 30915, 37098, 44145, 49922, 61830, 74883, 88290, 92745, 124805, 149766, 185490, 224649, 249610, 374415, 449298, 673947, 748830, 1123245, 1347894, 2021841, 2246490, 3369735, 4043682, 6739470, 10109205, 20218410]

約数ペア:

[(1, 20218410), (2, 10109205), (3, 6739470), (5, 4043682), (6, 3369735), (9, 2246490), (10, 2021841), (15, 1347894), (18, 1123245), (27, 748830), (30, 673947), (45, 449298), (54, 374415), (81, 249610), (90, 224649), (109, 185490), (135, 149766), (162, 124805), (218, 92745), (229, 88290), (270, 74883), (327, 61830), (405, 49922), (458, 44145), (545, 37098), (654, 30915), (687, 29430), (810, 24961), (981, 20610), (1090, 18549), (1145, 17658), (1374, 14715), (1635, 12366), (1962, 10305), (2061, 9810), (2290, 8829), (2943, 6870), (3270, 6183), (3435, 5886), (4122, 4905)]