20248290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1433}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 53017848

約数和(自身を除く): 32769558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1433, 1570, 2355, 2826, 2866, 4299, 4710, 7065, 7165, 8598, 12897, 14130, 14330, 21495, 25794, 42990, 64485, 128970, 224981, 449962, 674943, 1124905, 1349886, 2024829, 2249810, 3374715, 4049658, 6749430, 10124145, 20248290]

約数ペア:

[(1, 20248290), (2, 10124145), (3, 6749430), (5, 4049658), (6, 3374715), (9, 2249810), (10, 2024829), (15, 1349886), (18, 1124905), (30, 674943), (45, 449962), (90, 224981), (157, 128970), (314, 64485), (471, 42990), (785, 25794), (942, 21495), (1413, 14330), (1433, 14130), (1570, 12897), (2355, 8598), (2826, 7165), (2866, 7065), (4299, 4710)]