20938335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 36903168

約数和(自身を除く): 15964833

約数列:

[1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1123, 1243, 1695, 3369, 3729, 5615, 6215, 12353, 16845, 18645, 37059, 61765, 126899, 185295, 380697, 634495, 1395889, 1903485, 4187667, 6979445, 20938335]

約数ペア:

[(1, 20938335), (3, 6979445), (5, 4187667), (11, 1903485), (15, 1395889), (33, 634495), (55, 380697), (113, 185295), (165, 126899), (339, 61765), (565, 37059), (1123, 18645), (1243, 16845), (1695, 12353), (3369, 6215), (3729, 5615)]