22029940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 47738880

約数和(自身を除く): 25708940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 191, 292, 316, 365, 382, 395, 730, 764, 790, 955, 1460, 1580, 1910, 3820, 5767, 11534, 13943, 15089, 23068, 27886, 28835, 30178, 55772, 57670, 60356, 69715, 75445, 115340, 139430, 150890, 278860, 301780, 1101497, 2202994, 4405988, 5507485, 11014970, 22029940]

約数ペア:

[(1, 22029940), (2, 11014970), (4, 5507485), (5, 4405988), (10, 2202994), (20, 1101497), (73, 301780), (79, 278860), (146, 150890), (158, 139430), (191, 115340), (292, 75445), (316, 69715), (365, 60356), (382, 57670), (395, 55772), (730, 30178), (764, 28835), (790, 27886), (955, 23068), (1460, 15089), (1580, 13943), (1910, 11534), (3820, 5767)]