7127420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20963}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 15848784

約数和(自身を除く): 8721364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 20963, 41926, 83852, 104815, 209630, 356371, 419260, 712742, 1425484, 1781855, 3563710, 7127420]

約数ペア:

[(1, 7127420), (2, 3563710), (4, 1781855), (5, 1425484), (10, 712742), (17, 419260), (20, 356371), (34, 209630), (68, 104815), (85, 83852), (170, 41926), (340, 20963)]