213936528020

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{5609243}}^1$

素因数の和:5611159

約数の個数: 24

約数和(自身を含む): 449502377184

約数和(自身を除く): 235565849164

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3814, 7628, 9535, 19070, 38140, 5609243, 11218486, 22436972, 28046215, 56092430, 112184860, 10696826401, 21393652802, 42787305604, 53484132005, 106968264010, 213936528020]

約数ペア:

[(1, 213936528020), (2, 106968264010), (4, 53484132005), (5, 42787305604), (10, 21393652802), (20, 10696826401), (1907, 112184860), (3814, 56092430), (7628, 28046215), (9535, 22436972), (19070, 11218486), (38140, 5609243)]