20864118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3259}}^1$

素因数の和:3372

約数の個数: 32

約数和(自身を含む): 46005120

約数和(自身を除く): 25141002

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3259, 6402, 6518, 9777, 19554, 35849, 71698, 107547, 215094, 316123, 632246, 948369, 1896738, 3477353, 6954706, 10432059, 20864118]

約数ペア:

[(1, 20864118), (2, 10432059), (3, 6954706), (6, 3477353), (11, 1896738), (22, 948369), (33, 632246), (66, 316123), (97, 215094), (194, 107547), (291, 71698), (582, 35849), (1067, 19554), (2134, 9777), (3201, 6518), (3259, 6402)]