20593150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 41180400

約数和(自身を除く): 20587250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 409, 475, 530, 818, 950, 1007, 1325, 2014, 2045, 2650, 4090, 5035, 7771, 10070, 10225, 15542, 20450, 21677, 25175, 38855, 43354, 50350, 77710, 108385, 194275, 216770, 388550, 411863, 541925, 823726, 1083850, 2059315, 4118630, 10296575, 20593150]

約数ペア:

[(1, 20593150), (2, 10296575), (5, 4118630), (10, 2059315), (19, 1083850), (25, 823726), (38, 541925), (50, 411863), (53, 388550), (95, 216770), (106, 194275), (190, 108385), (265, 77710), (409, 50350), (475, 43354), (530, 38855), (818, 25175), (950, 21677), (1007, 20450), (1325, 15542), (2014, 10225), (2045, 10070), (2650, 7771), (4090, 5035)]