20238416625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{21841}}^1$

素因数の和:22219

約数の個数: 64

約数和(自身を含む): 38598483456

約数和(自身を除く): 18360066831

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 353, 375, 525, 875, 1059, 1765, 2471, 2625, 5295, 7413, 8825, 12355, 21841, 26475, 37065, 44125, 61775, 65523, 109205, 132375, 152887, 185325, 308875, 327615, 458661, 546025, 764435, 926625, 1638075, 2293305, 2730125, 3822175, 7709873, 8190375, 11466525, 19110875, 23129619, 38549365, 53969111, 57332625, 115648095, 161907333, 192746825, 269845555, 578240475, 809536665, 963734125, 1349227775, 2891202375, 4047683325, 6746138875, 20238416625]

約数ペア:

[(1, 20238416625), (3, 6746138875), (5, 4047683325), (7, 2891202375), (15, 1349227775), (21, 963734125), (25, 809536665), (35, 578240475), (75, 269845555), (105, 192746825), (125, 161907333), (175, 115648095), (353, 57332625), (375, 53969111), (525, 38549365), (875, 23129619), (1059, 19110875), (1765, 11466525), (2471, 8190375), (2625, 7709873), (5295, 3822175), (7413, 2730125), (8825, 2293305), (12355, 1638075), (21841, 926625), (26475, 764435), (37065, 546025), (44125, 458661), (61775, 327615), (65523, 308875), (109205, 185325), (132375, 152887)]