20149460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 44170896

約数和(自身を除く): 24021436

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 373, 730, 740, 746, 1460, 1492, 1865, 2701, 3730, 5402, 7460, 10804, 13505, 13801, 27010, 27229, 27602, 54020, 54458, 55204, 69005, 108916, 136145, 138010, 272290, 276020, 544580, 1007473, 2014946, 4029892, 5037365, 10074730, 20149460]

約数ペア:

[(1, 20149460), (2, 10074730), (4, 5037365), (5, 4029892), (10, 2014946), (20, 1007473), (37, 544580), (73, 276020), (74, 272290), (146, 138010), (148, 136145), (185, 108916), (292, 69005), (365, 55204), (370, 54458), (373, 54020), (730, 27602), (740, 27229), (746, 27010), (1460, 13801), (1492, 13505), (1865, 10804), (2701, 7460), (3730, 5402)]