20295825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 37217856

約数和(自身を除く): 16922031

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 73, 75, 165, 219, 275, 337, 365, 803, 825, 1011, 1095, 1685, 1825, 2409, 3707, 4015, 5055, 5475, 8425, 11121, 12045, 18535, 20075, 24601, 25275, 55605, 60225, 73803, 92675, 123005, 270611, 278025, 369015, 615025, 811833, 1353055, 1845075, 4059165, 6765275, 20295825]

約数ペア:

[(1, 20295825), (3, 6765275), (5, 4059165), (11, 1845075), (15, 1353055), (25, 811833), (33, 615025), (55, 369015), (73, 278025), (75, 270611), (165, 123005), (219, 92675), (275, 73803), (337, 60225), (365, 55605), (803, 25275), (825, 24601), (1011, 20075), (1095, 18535), (1685, 12045), (1825, 11121), (2409, 8425), (3707, 5475), (4015, 5055)]