2019467420

素因数分解:

$2^2\times 5^1\times {\mathrm{100973371}}^1$

素因数の和:100973380

約数の個数: 12

約数和(自身を含む): 4240881624

約数和(自身を除く): 2221414204

約数列:

[1, 2, 4, 5, 10, 20, 100973371, 201946742, 403893484, 504866855, 1009733710, 2019467420]

約数ペア:

[(1, 2019467420), (2, 1009733710), (4, 504866855), (5, 403893484), (10, 201946742), (20, 100973371)]