20048272

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 40908096

約数和(自身を除く): 20859824

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 314, 347, 368, 628, 694, 1256, 1388, 2512, 2776, 3611, 5552, 7222, 7981, 14444, 15962, 28888, 31924, 54479, 57776, 63848, 108958, 127696, 217916, 435832, 871664, 1253017, 2506034, 5012068, 10024136, 20048272]

約数ペア:

[(1, 20048272), (2, 10024136), (4, 5012068), (8, 2506034), (16, 1253017), (23, 871664), (46, 435832), (92, 217916), (157, 127696), (184, 108958), (314, 63848), (347, 57776), (368, 54479), (628, 31924), (694, 28888), (1256, 15962), (1388, 14444), (2512, 7981), (2776, 7222), (3611, 5552)]