20539752

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32682648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 131, 139, 141, 188, 262, 278, 282, 376, 393, 417, 524, 556, 564, 786, 834, 1048, 1112, 1128, 1572, 1668, 3144, 3336, 6157, 6533, 12314, 13066, 18209, 18471, 19599, 24628, 26132, 36418, 36942, 39198, 49256, 52264, 54627, 72836, 73884, 78396, 109254, 145672, 147768, 156792, 218508, 437016, 855823, 1711646, 2567469, 3423292, 5134938, 6846584, 10269876, 20539752]

約数ペア:

[(1, 20539752), (2, 10269876), (3, 6846584), (4, 5134938), (6, 3423292), (8, 2567469), (12, 1711646), (24, 855823), (47, 437016), (94, 218508), (131, 156792), (139, 147768), (141, 145672), (188, 109254), (262, 78396), (278, 73884), (282, 72836), (376, 54627), (393, 52264), (417, 49256), (524, 39198), (556, 36942), (564, 36418), (786, 26132), (834, 24628), (1048, 19599), (1112, 18471), (1128, 18209), (1572, 13066), (1668, 12314), (3144, 6533), (3336, 6157)]