20013777720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1355947}}^1$

素因数の和:1356005

約数の個数: 96

約数和(自身を含む): 66631284720

約数和(自身を除く): 46617507000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 7380, 14760, 1355947, 2711894, 4067841, 5423788, 6779735, 8135682, 10847576, 12203523, 13559470, 16271364, 20339205, 24407046, 27118940, 32542728, 40678410, 48814092, 54237880, 55593827, 61017615, 81356820, 97628184, 111187654, 122035230, 162713640, 166781481, 222375308, 244070460, 277969135, 333562962, 444750616, 488140920, 500344443, 555938270, 667125924, 833907405, 1000688886, 1111876540, 1334251848, 1667814810, 2001377772, 2223753080, 2501722215, 3335629620, 4002755544, 5003444430, 6671259240, 10006888860, 20013777720]

約数ペア:

[(1, 20013777720), (2, 10006888860), (3, 6671259240), (4, 5003444430), (5, 4002755544), (6, 3335629620), (8, 2501722215), (9, 2223753080), (10, 2001377772), (12, 1667814810), (15, 1334251848), (18, 1111876540), (20, 1000688886), (24, 833907405), (30, 667125924), (36, 555938270), (40, 500344443), (41, 488140920), (45, 444750616), (60, 333562962), (72, 277969135), (82, 244070460), (90, 222375308), (120, 166781481), (123, 162713640), (164, 122035230), (180, 111187654), (205, 97628184), (246, 81356820), (328, 61017615), (360, 55593827), (369, 54237880), (410, 48814092), (492, 40678410), (615, 32542728), (738, 27118940), (820, 24407046), (984, 20339205), (1230, 16271364), (1476, 13559470), (1640, 12203523), (1845, 10847576), (2460, 8135682), (2952, 6779735), (3690, 5423788), (4920, 4067841), (7380, 2711894), (14760, 1355947)]