20105464

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18450536

約数列:

[1, 2, 4, 8, 101, 149, 167, 202, 298, 334, 404, 596, 668, 808, 1192, 1336, 15049, 16867, 24883, 30098, 33734, 49766, 60196, 67468, 99532, 120392, 134936, 199064, 2513183, 5026366, 10052732, 20105464]

約数ペア:

[(1, 20105464), (2, 10052732), (4, 5026366), (8, 2513183), (101, 199064), (149, 134936), (167, 120392), (202, 99532), (298, 67468), (334, 60196), (404, 49766), (596, 33734), (668, 30098), (808, 24883), (1192, 16867), (1336, 15049)]