20166872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2269}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 41677200

約数和(自身を除く): 21510328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2269, 4444, 4538, 8888, 9076, 18152, 24959, 49918, 99836, 199672, 229169, 458338, 916676, 1833352, 2520859, 5041718, 10083436, 20166872]

約数ペア:

[(1, 20166872), (2, 10083436), (4, 5041718), (8, 2520859), (11, 1833352), (22, 916676), (44, 458338), (88, 229169), (101, 199672), (202, 99836), (404, 49918), (808, 24959), (1111, 18152), (2222, 9076), (2269, 8888), (4444, 4538)]