20766010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 42550272

約数和(自身を除く): 21784262

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 47, 85, 94, 113, 115, 170, 226, 230, 235, 391, 470, 565, 782, 799, 1081, 1130, 1598, 1921, 1955, 2162, 2599, 3842, 3910, 3995, 5198, 5311, 5405, 7990, 9605, 10622, 10810, 12995, 18377, 19210, 25990, 26555, 36754, 44183, 53110, 88366, 90287, 91885, 122153, 180574, 183770, 220915, 244306, 441830, 451435, 610765, 902870, 1221530, 2076601, 4153202, 10383005, 20766010]

約数ペア:

[(1, 20766010), (2, 10383005), (5, 4153202), (10, 2076601), (17, 1221530), (23, 902870), (34, 610765), (46, 451435), (47, 441830), (85, 244306), (94, 220915), (113, 183770), (115, 180574), (170, 122153), (226, 91885), (230, 90287), (235, 88366), (391, 53110), (470, 44183), (565, 36754), (782, 26555), (799, 25990), (1081, 19210), (1130, 18377), (1598, 12995), (1921, 10810), (1955, 10622), (2162, 9605), (2599, 7990), (3842, 5405), (3910, 5311), (3995, 5198)]