20243795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 29804544

約数和(自身を除く): 9560749

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1231, 1265, 1495, 3289, 6155, 13541, 16003, 16445, 28313, 67705, 80015, 141565, 176033, 311443, 368069, 880165, 1557215, 1840345, 4048759, 20243795]

約数ペア:

[(1, 20243795), (5, 4048759), (11, 1840345), (13, 1557215), (23, 880165), (55, 368069), (65, 311443), (115, 176033), (143, 141565), (253, 80015), (299, 67705), (715, 28313), (1231, 16445), (1265, 16003), (1495, 13541), (3289, 6155)]