20416116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:106

約数の個数: 108

約数和(自身を含む): 59896928

約数和(自身を除く): 39480812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 29, 34, 42, 51, 58, 68, 84, 87, 102, 116, 119, 174, 203, 204, 238, 289, 348, 357, 406, 476, 493, 578, 609, 714, 812, 841, 867, 986, 1156, 1218, 1428, 1479, 1682, 1734, 1972, 2023, 2436, 2523, 2958, 3364, 3451, 3468, 4046, 5046, 5887, 5916, 6069, 6902, 8092, 8381, 10092, 10353, 11774, 12138, 13804, 14297, 16762, 17661, 20706, 23548, 24276, 25143, 28594, 33524, 35322, 41412, 42891, 50286, 57188, 58667, 70644, 85782, 100079, 100572, 117334, 171564, 176001, 200158, 234668, 243049, 300237, 352002, 400316, 486098, 600474, 704004, 729147, 972196, 1200948, 1458294, 1701343, 2916588, 3402686, 5104029, 6805372, 10208058, 20416116]

約数ペア:

[(1, 20416116), (2, 10208058), (3, 6805372), (4, 5104029), (6, 3402686), (7, 2916588), (12, 1701343), (14, 1458294), (17, 1200948), (21, 972196), (28, 729147), (29, 704004), (34, 600474), (42, 486098), (51, 400316), (58, 352002), (68, 300237), (84, 243049), (87, 234668), (102, 200158), (116, 176001), (119, 171564), (174, 117334), (203, 100572), (204, 100079), (238, 85782), (289, 70644), (348, 58667), (357, 57188), (406, 50286), (476, 42891), (493, 41412), (578, 35322), (609, 33524), (714, 28594), (812, 25143), (841, 24276), (867, 23548), (986, 20706), (1156, 17661), (1218, 16762), (1428, 14297), (1479, 13804), (1682, 12138), (1734, 11774), (1972, 10353), (2023, 10092), (2436, 8381), (2523, 8092), (2958, 6902), (3364, 6069), (3451, 5916), (3468, 5887), (4046, 5046)]