20833670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 46702656

約数和(自身を除く): 25868986

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 857, 935, 1105, 1430, 1714, 1870, 2210, 2431, 4285, 4862, 8570, 9427, 11141, 12155, 14569, 18854, 22282, 24310, 29138, 47135, 55705, 72845, 94270, 111410, 122551, 145690, 160259, 189397, 245102, 320518, 378794, 612755, 801295, 946985, 1225510, 1602590, 1893970, 2083367, 4166734, 10416835, 20833670]

約数ペア:

[(1, 20833670), (2, 10416835), (5, 4166734), (10, 2083367), (11, 1893970), (13, 1602590), (17, 1225510), (22, 946985), (26, 801295), (34, 612755), (55, 378794), (65, 320518), (85, 245102), (110, 189397), (130, 160259), (143, 145690), (170, 122551), (187, 111410), (221, 94270), (286, 72845), (374, 55705), (442, 47135), (715, 29138), (857, 24310), (935, 22282), (1105, 18854), (1430, 14569), (1714, 12155), (1870, 11141), (2210, 9427), (2431, 8570), (4285, 4862)]