20577270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97987}}^1$

素因数の和:98004

約数の個数: 32

約数和(自身を含む): 56441088

約数和(自身を除く): 35863818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97987, 195974, 293961, 489935, 587922, 685909, 979870, 1371818, 1469805, 2057727, 2939610, 3429545, 4115454, 6859090, 10288635, 20577270]

約数ペア:

[(1, 20577270), (2, 10288635), (3, 6859090), (5, 4115454), (6, 3429545), (7, 2939610), (10, 2057727), (14, 1469805), (15, 1371818), (21, 979870), (30, 685909), (35, 587922), (42, 489935), (70, 293961), (105, 195974), (210, 97987)]