20159095295

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{820643}}^1$

素因数の和:820699

約数の個数: 16

約数和(自身を含む): 25702570080

約数和(自身を除く): 5543474785

約数列:

[1, 5, 17, 85, 289, 1445, 4913, 24565, 820643, 4103215, 13950931, 69754655, 237165827, 1185829135, 4031819059, 20159095295]

約数ペア:

[(1, 20159095295), (5, 4031819059), (17, 1185829135), (85, 237165827), (289, 69754655), (1445, 13950931), (4913, 4103215), (24565, 820643)]