20637400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14741}}^1$

素因数の和:14764

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 34202840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14741, 29482, 58964, 73705, 103187, 117928, 147410, 206374, 294820, 368525, 412748, 515935, 589640, 737050, 825496, 1031870, 1474100, 2063740, 2579675, 2948200, 4127480, 5159350, 10318700, 20637400]

約数ペア:

[(1, 20637400), (2, 10318700), (4, 5159350), (5, 4127480), (7, 2948200), (8, 2579675), (10, 2063740), (14, 1474100), (20, 1031870), (25, 825496), (28, 737050), (35, 589640), (40, 515935), (50, 412748), (56, 368525), (70, 294820), (100, 206374), (140, 147410), (175, 117928), (200, 103187), (280, 73705), (350, 58964), (700, 29482), (1400, 14741)]