2020960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 5062176

約数和(自身を除く): 3041216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 743, 1360, 1486, 2720, 2972, 3715, 5944, 7430, 11888, 12631, 14860, 23776, 25262, 29720, 50524, 59440, 63155, 101048, 118880, 126310, 202096, 252620, 404192, 505240, 1010480, 2020960]

約数ペア:

[(1, 2020960), (2, 1010480), (4, 505240), (5, 404192), (8, 252620), (10, 202096), (16, 126310), (17, 118880), (20, 101048), (32, 63155), (34, 59440), (40, 50524), (68, 29720), (80, 25262), (85, 23776), (136, 14860), (160, 12631), (170, 11888), (272, 7430), (340, 5944), (544, 3715), (680, 2972), (743, 2720), (1360, 1486)]