20983056

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 35584752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 71, 94, 131, 141, 142, 188, 213, 262, 282, 284, 376, 393, 426, 524, 564, 568, 752, 786, 852, 1048, 1128, 1136, 1572, 1704, 2096, 2256, 3144, 3337, 3408, 6157, 6288, 6674, 9301, 10011, 12314, 13348, 18471, 18602, 20022, 24628, 26696, 27903, 36942, 37204, 40044, 49256, 53392, 55806, 73884, 74408, 80088, 98512, 111612, 147768, 148816, 160176, 223224, 295536, 437147, 446448, 874294, 1311441, 1748588, 2622882, 3497176, 5245764, 6994352, 10491528, 20983056]

約数ペア:

[(1, 20983056), (2, 10491528), (3, 6994352), (4, 5245764), (6, 3497176), (8, 2622882), (12, 1748588), (16, 1311441), (24, 874294), (47, 446448), (48, 437147), (71, 295536), (94, 223224), (131, 160176), (141, 148816), (142, 147768), (188, 111612), (213, 98512), (262, 80088), (282, 74408), (284, 73884), (376, 55806), (393, 53392), (426, 49256), (524, 40044), (564, 37204), (568, 36942), (752, 27903), (786, 26696), (852, 24628), (1048, 20022), (1128, 18602), (1136, 18471), (1572, 13348), (1704, 12314), (2096, 10011), (2256, 9301), (3144, 6674), (3337, 6288), (3408, 6157)]