20004700

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1062

約数の個数: 36

約数和(自身を含む): 43637832

約数和(自身を除く): 23633132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 797, 1004, 1255, 1594, 2510, 3188, 3985, 5020, 6275, 7970, 12550, 15940, 19925, 25100, 39850, 79700, 200047, 400094, 800188, 1000235, 2000470, 4000940, 5001175, 10002350, 20004700]

約数ペア:

[(1, 20004700), (2, 10002350), (4, 5001175), (5, 4000940), (10, 2000470), (20, 1000235), (25, 800188), (50, 400094), (100, 200047), (251, 79700), (502, 39850), (797, 25100), (1004, 19925), (1255, 15940), (1594, 12550), (2510, 7970), (3188, 6275), (3985, 5020)]