20552750

素因数分解:

$2^1\times 5^3\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 18197650

約数列:

[1, 2, 5, 10, 25, 50, 125, 229, 250, 359, 458, 718, 1145, 1795, 2290, 3590, 5725, 8975, 11450, 17950, 28625, 44875, 57250, 82211, 89750, 164422, 411055, 822110, 2055275, 4110550, 10276375, 20552750]

約数ペア:

[(1, 20552750), (2, 10276375), (5, 4110550), (10, 2055275), (25, 822110), (50, 411055), (125, 164422), (229, 89750), (250, 82211), (359, 57250), (458, 44875), (718, 28625), (1145, 17950), (1795, 11450), (2290, 8975), (3590, 5725)]