About the Number

20123351690

20123351689 ← → 20123351691

2進数表記:10010101111011100011111101010001010

漢数字表記:二百一億二千三百三十五万千六百九十

素因数分解:

2 1 × 5 1 × 13 1 × 17 1 × 37 1 × 246097 1

素因数の和:246171
約数の個数: 64
約数和(自身を含む): 42419420064
約数和(自身を除く): 22296068374

約数列:
[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 370, 442, 481, 629, 962, 1105, 1258, 2210, 2405, 3145, 4810, 6290, 8177, 16354, 40885, 81770, 246097, 492194, 1230485, 2460970, 3199261, 4183649, 6398522, 8367298, 9105589, 15996305, 18211178, 20918245, 31992610, 41836490, 45527945, 54387437, 91055890, 108774874, 118372657, 154795013, 236745314, 271937185, 309590026, 543874370, 591863285, 773975065, 1183726570, 1547950130, 2012335169, 4024670338, 10061675845, 20123351690]

約数ペア:
[(1, 20123351690), (2, 10061675845), (5, 4024670338), (10, 2012335169), (13, 1547950130), (17, 1183726570), (26, 773975065), (34, 591863285), (37, 543874370), (65, 309590026), (74, 271937185), (85, 236745314), (130, 154795013), (170, 118372657), (185, 108774874), (221, 91055890), (370, 54387437), (442, 45527945), (481, 41836490), (629, 31992610), (962, 20918245), (1105, 18211178), (1258, 15996305), (2210, 9105589), (2405, 8367298), (3145, 6398522), (4810, 4183649), (6290, 3199261), (8177, 2460970), (16354, 1230485), (40885, 492194), (81770, 246097)]

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