20805216426

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{593}}^1\times {\mathrm{14879}}^1$

素因数の和:15611

約数の個数: 48

約数和(自身を含む): 45501730560

約数和(自身を除く): 24696514134

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 593, 786, 1179, 1186, 1779, 2358, 3558, 5337, 10674, 14879, 29758, 44637, 77683, 89274, 133911, 155366, 233049, 267822, 466098, 699147, 1398294, 1949149, 3898298, 5847447, 8823247, 11694894, 17542341, 17646494, 26469741, 35084682, 52939482, 79409223, 158818446, 1155845357, 2311690714, 3467536071, 6935072142, 10402608213, 20805216426]

約数ペア:

[(1, 20805216426), (2, 10402608213), (3, 6935072142), (6, 3467536071), (9, 2311690714), (18, 1155845357), (131, 158818446), (262, 79409223), (393, 52939482), (593, 35084682), (786, 26469741), (1179, 17646494), (1186, 17542341), (1779, 11694894), (2358, 8823247), (3558, 5847447), (5337, 3898298), (10674, 1949149), (14879, 1398294), (29758, 699147), (44637, 466098), (77683, 267822), (89274, 233049), (133911, 155366)]