20158380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10181}}^1$

素因数の和:10207

約数の個数: 72

約数和(自身を含む): 66712464

約数和(自身を除く): 46554084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10181, 20362, 30543, 40724, 50905, 61086, 91629, 101810, 111991, 122172, 152715, 183258, 203620, 223982, 305430, 335973, 366516, 447964, 458145, 559955, 610860, 671946, 916290, 1007919, 1119910, 1343892, 1679865, 1832580, 2015838, 2239820, 3359730, 4031676, 5039595, 6719460, 10079190, 20158380]

約数ペア:

[(1, 20158380), (2, 10079190), (3, 6719460), (4, 5039595), (5, 4031676), (6, 3359730), (9, 2239820), (10, 2015838), (11, 1832580), (12, 1679865), (15, 1343892), (18, 1119910), (20, 1007919), (22, 916290), (30, 671946), (33, 610860), (36, 559955), (44, 458145), (45, 447964), (55, 366516), (60, 335973), (66, 305430), (90, 223982), (99, 203620), (110, 183258), (132, 152715), (165, 122172), (180, 111991), (198, 101810), (220, 91629), (330, 61086), (396, 50905), (495, 40724), (660, 30543), (990, 20362), (1980, 10181)]