20034256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 22820144

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1279, 1424, 1958, 2558, 3916, 5116, 7832, 10232, 14069, 15664, 20464, 28138, 56276, 112552, 113831, 225104, 227662, 455324, 910648, 1252141, 1821296, 2504282, 5008564, 10017128, 20034256]

約数ペア:

[(1, 20034256), (2, 10017128), (4, 5008564), (8, 2504282), (11, 1821296), (16, 1252141), (22, 910648), (44, 455324), (88, 227662), (89, 225104), (176, 113831), (178, 112552), (356, 56276), (712, 28138), (979, 20464), (1279, 15664), (1424, 14069), (1958, 10232), (2558, 7832), (3916, 5116)]