20395365

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 14772891

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1907, 2139, 3565, 5721, 9535, 10695, 28605, 43861, 59117, 131583, 177351, 219305, 295585, 657915, 886755, 1359691, 4079073, 6798455, 20395365]

約数ペア:

[(1, 20395365), (3, 6798455), (5, 4079073), (15, 1359691), (23, 886755), (31, 657915), (69, 295585), (93, 219305), (115, 177351), (155, 131583), (345, 59117), (465, 43861), (713, 28605), (1907, 10695), (2139, 9535), (3565, 5721)]