About the Number

20981926

20981925 ← → 20981927

2進数表記:1010000000010100010100110

漢数字表記:二千九十八万千九百二十六

素因数分解:

2 1 × 7 1 × 61 1 × 79 1 × 311 1

素因数の和:460
約数の個数: 32
約数和(自身を含む): 37140480
約数和(自身を除く): 16158554

約数列:
[1, 2, 7, 14, 61, 79, 122, 158, 311, 427, 553, 622, 854, 1106, 2177, 4354, 4819, 9638, 18971, 24569, 33733, 37942, 49138, 67466, 132797, 171983, 265594, 343966, 1498709, 2997418, 10490963, 20981926]

約数ペア:
[(1, 20981926), (2, 10490963), (7, 2997418), (14, 1498709), (61, 343966), (79, 265594), (122, 171983), (158, 132797), (311, 67466), (427, 49138), (553, 37942), (622, 33733), (854, 24569), (1106, 18971), (2177, 9638), (4354, 4819)]

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