About the Number

6643020

6643019 ← → 6643021

2進数表記:11001010101110101001100

漢数字表記:六百六十四万三千二十

素因数分解:

2 2 × 3 1 × 5 1 × 53 1 × 2089 1

素因数の和:2154
約数の個数: 48
約数和(自身を含む): 18960480
約数和(自身を除く): 12317460

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 2089, 3180, 4178, 6267, 8356, 10445, 12534, 20890, 25068, 31335, 41780, 62670, 110717, 125340, 221434, 332151, 442868, 553585, 664302, 1107170, 1328604, 1660755, 2214340, 3321510, 6643020]

約数ペア:
[(1, 6643020), (2, 3321510), (3, 2214340), (4, 1660755), (5, 1328604), (6, 1107170), (10, 664302), (12, 553585), (15, 442868), (20, 332151), (30, 221434), (53, 125340), (60, 110717), (106, 62670), (159, 41780), (212, 31335), (265, 25068), (318, 20890), (530, 12534), (636, 10445), (795, 8356), (1060, 6267), (1590, 4178), (2089, 3180)]

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