About the Number

20804310

20804309 ← → 20804311

2進数表記:1001111010111001011010110

漢数字表記:二千八十万四千三百十

素因数分解:

2 1 × 3 3 × 5 1 × 29 1 × 2657 1

素因数の和:2702
約数の個数: 64
約数和(自身を含む): 57412800
約数和(自身を除く): 36608490

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2657, 3915, 5314, 7830, 7971, 13285, 15942, 23913, 26570, 39855, 47826, 71739, 77053, 79710, 119565, 143478, 154106, 231159, 239130, 358695, 385265, 462318, 693477, 717390, 770530, 1155795, 1386954, 2080431, 2311590, 3467385, 4160862, 6934770, 10402155, 20804310]

約数ペア:
[(1, 20804310), (2, 10402155), (3, 6934770), (5, 4160862), (6, 3467385), (9, 2311590), (10, 2080431), (15, 1386954), (18, 1155795), (27, 770530), (29, 717390), (30, 693477), (45, 462318), (54, 385265), (58, 358695), (87, 239130), (90, 231159), (135, 154106), (145, 143478), (174, 119565), (261, 79710), (270, 77053), (290, 71739), (435, 47826), (522, 39855), (783, 26570), (870, 23913), (1305, 15942), (1566, 13285), (2610, 7971), (2657, 7830), (3915, 5314)]

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