20880696

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 56880000

約数和(自身を除く): 35999304

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 152, 174, 228, 232, 348, 456, 551, 696, 1102, 1579, 1653, 2204, 3158, 3306, 4408, 4737, 6316, 6612, 9474, 12632, 13224, 18948, 30001, 37896, 45791, 60002, 90003, 91582, 120004, 137373, 180006, 183164, 240008, 274746, 360012, 366328, 549492, 720024, 870029, 1098984, 1740058, 2610087, 3480116, 5220174, 6960232, 10440348, 20880696]

約数ペア:

[(1, 20880696), (2, 10440348), (3, 6960232), (4, 5220174), (6, 3480116), (8, 2610087), (12, 1740058), (19, 1098984), (24, 870029), (29, 720024), (38, 549492), (57, 366328), (58, 360012), (76, 274746), (87, 240008), (114, 183164), (116, 180006), (152, 137373), (174, 120004), (228, 91582), (232, 90003), (348, 60002), (456, 45791), (551, 37896), (696, 30001), (1102, 18948), (1579, 13224), (1653, 12632), (2204, 9474), (3158, 6612), (3306, 6316), (4408, 4737)]