20758392

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1259}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 56511000

約数和(自身を除く): 35752608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1259, 1374, 1832, 2061, 2518, 2748, 3777, 4122, 5036, 5496, 7554, 8244, 10072, 11331, 15108, 16488, 22662, 30216, 45324, 90648, 288311, 576622, 864933, 1153244, 1729866, 2306488, 2594799, 3459732, 5189598, 6919464, 10379196, 20758392]

約数ペア:

[(1, 20758392), (2, 10379196), (3, 6919464), (4, 5189598), (6, 3459732), (8, 2594799), (9, 2306488), (12, 1729866), (18, 1153244), (24, 864933), (36, 576622), (72, 288311), (229, 90648), (458, 45324), (687, 30216), (916, 22662), (1259, 16488), (1374, 15108), (1832, 11331), (2061, 10072), (2518, 8244), (2748, 7554), (3777, 5496), (4122, 5036)]