20757060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4271}}^1$

素因数の和:4295

約数の個数: 72

約数和(自身を含む): 65310336

約数和(自身を除く): 44553276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4271, 4860, 8542, 12813, 17084, 21355, 25626, 38439, 42710, 51252, 64065, 76878, 85420, 115317, 128130, 153756, 192195, 230634, 256260, 345951, 384390, 461268, 576585, 691902, 768780, 1037853, 1153170, 1383804, 1729755, 2075706, 2306340, 3459510, 4151412, 5189265, 6919020, 10378530, 20757060]

約数ペア:

[(1, 20757060), (2, 10378530), (3, 6919020), (4, 5189265), (5, 4151412), (6, 3459510), (9, 2306340), (10, 2075706), (12, 1729755), (15, 1383804), (18, 1153170), (20, 1037853), (27, 768780), (30, 691902), (36, 576585), (45, 461268), (54, 384390), (60, 345951), (81, 256260), (90, 230634), (108, 192195), (135, 153756), (162, 128130), (180, 115317), (243, 85420), (270, 76878), (324, 64065), (405, 51252), (486, 42710), (540, 38439), (810, 25626), (972, 21355), (1215, 17084), (1620, 12813), (2430, 8542), (4271, 4860)]