About the Number

20146581

20146580 ← → 20146582

2進数表記:1001100110110100110010101

漢数字表記:二千十四万六千五百八十一

素因数分解:

3 2 × 7 1 × 13 1 × 17 1 × 1447 1

素因数の和:1490
約数の個数: 48
約数和(自身を含む): 37949184
約数和(自身を除く): 17802603

約数列:
[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1447, 1547, 1989, 4341, 4641, 10129, 13023, 13923, 18811, 24599, 30387, 56433, 73797, 91161, 131677, 169299, 172193, 221391, 319787, 395031, 516579, 959361, 1185093, 1549737, 2238509, 2878083, 6715527, 20146581]

約数ペア:
[(1, 20146581), (3, 6715527), (7, 2878083), (9, 2238509), (13, 1549737), (17, 1185093), (21, 959361), (39, 516579), (51, 395031), (63, 319787), (91, 221391), (117, 172193), (119, 169299), (153, 131677), (221, 91161), (273, 73797), (357, 56433), (663, 30387), (819, 24599), (1071, 18811), (1447, 13923), (1547, 13023), (1989, 10129), (4341, 4641)]

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