20866410

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 58286592

約数和(自身を除く): 37420182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 243, 270, 277, 279, 310, 405, 465, 486, 554, 558, 810, 831, 837, 930, 1215, 1385, 1395, 1662, 1674, 2430, 2493, 2511, 2770, 2790, 4155, 4185, 4986, 5022, 7479, 7533, 8310, 8370, 8587, 12465, 12555, 14958, 15066, 17174, 22437, 24930, 25110, 25761, 37395, 37665, 42935, 44874, 51522, 67311, 74790, 75330, 77283, 85870, 112185, 128805, 134622, 154566, 224370, 231849, 257610, 336555, 386415, 463698, 673110, 695547, 772830, 1159245, 1391094, 2086641, 2318490, 3477735, 4173282, 6955470, 10433205, 20866410]

約数ペア:

[(1, 20866410), (2, 10433205), (3, 6955470), (5, 4173282), (6, 3477735), (9, 2318490), (10, 2086641), (15, 1391094), (18, 1159245), (27, 772830), (30, 695547), (31, 673110), (45, 463698), (54, 386415), (62, 336555), (81, 257610), (90, 231849), (93, 224370), (135, 154566), (155, 134622), (162, 128805), (186, 112185), (243, 85870), (270, 77283), (277, 75330), (279, 74790), (310, 67311), (405, 51522), (465, 44874), (486, 42935), (554, 37665), (558, 37395), (810, 25761), (831, 25110), (837, 24930), (930, 22437), (1215, 17174), (1385, 15066), (1395, 14958), (1662, 12555), (1674, 12465), (2430, 8587), (2493, 8370), (2511, 8310), (2770, 7533), (2790, 7479), (4155, 5022), (4185, 4986)]