20677491

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 34156800

約数和(自身を除く): 13479309

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2371, 2907, 7113, 8721, 21339, 40307, 45049, 64017, 120921, 135147, 362763, 405441, 765833, 1088289, 1216323, 2297499, 6892497, 20677491]

約数ペア:

[(1, 20677491), (3, 6892497), (9, 2297499), (17, 1216323), (19, 1088289), (27, 765833), (51, 405441), (57, 362763), (153, 135147), (171, 120921), (323, 64017), (459, 45049), (513, 40307), (969, 21339), (2371, 8721), (2907, 7113)]