20201750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4253}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 39817440

約数和(自身を除く): 19615690

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4253, 4750, 8506, 21265, 42530, 80807, 106325, 161614, 212650, 404035, 531625, 808070, 1063250, 2020175, 4040350, 10100875, 20201750]

約数ペア:

[(1, 20201750), (2, 10100875), (5, 4040350), (10, 2020175), (19, 1063250), (25, 808070), (38, 531625), (50, 404035), (95, 212650), (125, 161614), (190, 106325), (250, 80807), (475, 42530), (950, 21265), (2375, 8506), (4253, 4750)]