About the Number

12920688

12920687 ← → 12920689

2進数表記:110001010010011101110000

漢数字表記:千二百九十二万六百八十八

素因数分解:

2 4 × 3 3 × 11 1 × 2719 1

素因数の和:2747
約数の個数: 80
約数和(自身を含む): 40473600
約数和(自身を除く): 27552912

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 144, 176, 198, 216, 264, 297, 396, 432, 528, 594, 792, 1188, 1584, 2376, 2719, 4752, 5438, 8157, 10876, 16314, 21752, 24471, 29909, 32628, 43504, 48942, 59818, 65256, 73413, 89727, 97884, 119636, 130512, 146826, 179454, 195768, 239272, 269181, 293652, 358908, 391536, 478544, 538362, 587304, 717816, 807543, 1076724, 1174608, 1435632, 1615086, 2153448, 3230172, 4306896, 6460344, 12920688]

約数ペア:
[(1, 12920688), (2, 6460344), (3, 4306896), (4, 3230172), (6, 2153448), (8, 1615086), (9, 1435632), (11, 1174608), (12, 1076724), (16, 807543), (18, 717816), (22, 587304), (24, 538362), (27, 478544), (33, 391536), (36, 358908), (44, 293652), (48, 269181), (54, 239272), (66, 195768), (72, 179454), (88, 146826), (99, 130512), (108, 119636), (132, 97884), (144, 89727), (176, 73413), (198, 65256), (216, 59818), (264, 48942), (297, 43504), (396, 32628), (432, 29909), (528, 24471), (594, 21752), (792, 16314), (1188, 10876), (1584, 8157), (2376, 5438), (2719, 4752)]

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