19952580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11467}}^1$

素因数の和:11508

約数の個数: 48

約数和(自身を含む): 57798720

約数和(自身を除く): 37846140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11467, 22934, 34401, 45868, 57335, 68802, 114670, 137604, 172005, 229340, 332543, 344010, 665086, 688020, 997629, 1330172, 1662715, 1995258, 3325430, 3990516, 4988145, 6650860, 9976290, 19952580]

約数ペア:

[(1, 19952580), (2, 9976290), (3, 6650860), (4, 4988145), (5, 3990516), (6, 3325430), (10, 1995258), (12, 1662715), (15, 1330172), (20, 997629), (29, 688020), (30, 665086), (58, 344010), (60, 332543), (87, 229340), (116, 172005), (145, 137604), (174, 114670), (290, 68802), (348, 57335), (435, 45868), (580, 34401), (870, 22934), (1740, 11467)]