120020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 267624

約数和(自身を除く): 147604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 353, 706, 1412, 1765, 3530, 6001, 7060, 12002, 24004, 30005, 60010, 120020]

約数ペア:

[(1, 120020), (2, 60010), (4, 30005), (5, 24004), (10, 12002), (17, 7060), (20, 6001), (34, 3530), (68, 1765), (85, 1412), (170, 706), (340, 353)]