20750601500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{410903}}^1$

素因数の和:411023

約数の個数: 48

約数和(自身を含む): 45768131136

約数和(自身を除く): 25017529636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 5050, 10100, 12625, 25250, 50500, 410903, 821806, 1643612, 2054515, 4109030, 8218060, 10272575, 20545150, 41090300, 41501203, 51362875, 83002406, 102725750, 166004812, 205451500, 207506015, 415012030, 830024060, 1037530075, 2075060150, 4150120300, 5187650375, 10375300750, 20750601500]

約数ペア:

[(1, 20750601500), (2, 10375300750), (4, 5187650375), (5, 4150120300), (10, 2075060150), (20, 1037530075), (25, 830024060), (50, 415012030), (100, 207506015), (101, 205451500), (125, 166004812), (202, 102725750), (250, 83002406), (404, 51362875), (500, 41501203), (505, 41090300), (1010, 20545150), (2020, 10272575), (2525, 8218060), (5050, 4109030), (10100, 2054515), (12625, 1643612), (25250, 821806), (50500, 410903)]