20635125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{1123}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 39978432

約数和(自身を除く): 19343307

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 735, 875, 1123, 1225, 2625, 3369, 3675, 5615, 6125, 7861, 16845, 18375, 23583, 28075, 39305, 55027, 84225, 117915, 140375, 165081, 196525, 275135, 421125, 589575, 825405, 982625, 1375675, 2947875, 4127025, 6878375, 20635125]

約数ペア:

[(1, 20635125), (3, 6878375), (5, 4127025), (7, 2947875), (15, 1375675), (21, 982625), (25, 825405), (35, 589575), (49, 421125), (75, 275135), (105, 196525), (125, 165081), (147, 140375), (175, 117915), (245, 84225), (375, 55027), (525, 39305), (735, 28075), (875, 23583), (1123, 18375), (1225, 16845), (2625, 7861), (3369, 6125), (3675, 5615)]