20309508

素因数分解:

$2^2\times 3^3\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 53007360

約数和(自身を除く): 32697852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 173, 346, 519, 692, 1038, 1087, 1557, 2076, 2174, 3114, 3261, 4348, 4671, 6228, 6522, 9342, 9783, 13044, 18684, 19566, 29349, 39132, 58698, 117396, 188051, 376102, 564153, 752204, 1128306, 1692459, 2256612, 3384918, 5077377, 6769836, 10154754, 20309508]

約数ペア:

[(1, 20309508), (2, 10154754), (3, 6769836), (4, 5077377), (6, 3384918), (9, 2256612), (12, 1692459), (18, 1128306), (27, 752204), (36, 564153), (54, 376102), (108, 188051), (173, 117396), (346, 58698), (519, 39132), (692, 29349), (1038, 19566), (1087, 18684), (1557, 13044), (2076, 9783), (2174, 9342), (3114, 6522), (3261, 6228), (4348, 4671)]