15780784

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{7529}}^1$

素因数の和:7668

約数の個数: 20

約数和(自身を含む): 30812760

約数和(自身を除く): 15031976

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 7529, 15058, 30116, 60232, 120464, 986299, 1972598, 3945196, 7890392, 15780784]

約数ペア:

[(1, 15780784), (2, 7890392), (4, 3945196), (8, 1972598), (16, 986299), (131, 120464), (262, 60232), (524, 30116), (1048, 15058), (2096, 7529)]