20945652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19181}}^1$

素因数の和:19208

約数の個数: 48

約数和(自身を含む): 60154752

約数和(自身を除く): 39209100

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19181, 38362, 57543, 76724, 115086, 134267, 230172, 249353, 268534, 402801, 498706, 537068, 748059, 805602, 997412, 1496118, 1611204, 1745471, 2992236, 3490942, 5236413, 6981884, 10472826, 20945652]

約数ペア:

[(1, 20945652), (2, 10472826), (3, 6981884), (4, 5236413), (6, 3490942), (7, 2992236), (12, 1745471), (13, 1611204), (14, 1496118), (21, 997412), (26, 805602), (28, 748059), (39, 537068), (42, 498706), (52, 402801), (78, 268534), (84, 249353), (91, 230172), (156, 134267), (182, 115086), (273, 76724), (364, 57543), (546, 38362), (1092, 19181)]