20205724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 47037312

約数和(自身を除く): 26831588

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 227, 238, 289, 308, 374, 454, 476, 578, 748, 908, 1156, 1309, 1589, 2023, 2497, 2618, 3178, 3179, 3859, 4046, 4994, 5236, 6356, 6358, 7718, 8092, 9988, 12716, 15436, 17479, 22253, 27013, 34958, 42449, 44506, 54026, 65603, 69916, 84898, 89012, 108052, 131206, 169796, 262412, 297143, 459221, 594286, 721633, 918442, 1188572, 1443266, 1836884, 2886532, 5051431, 10102862, 20205724]

約数ペア:

[(1, 20205724), (2, 10102862), (4, 5051431), (7, 2886532), (11, 1836884), (14, 1443266), (17, 1188572), (22, 918442), (28, 721633), (34, 594286), (44, 459221), (68, 297143), (77, 262412), (119, 169796), (154, 131206), (187, 108052), (227, 89012), (238, 84898), (289, 69916), (308, 65603), (374, 54026), (454, 44506), (476, 42449), (578, 34958), (748, 27013), (908, 22253), (1156, 17479), (1309, 15436), (1589, 12716), (2023, 9988), (2497, 8092), (2618, 7718), (3178, 6358), (3179, 6356), (3859, 5236), (4046, 4994)]