About the Number

20104005

20104004 ← → 20104006

2進数表記:1001100101100001101000101

漢数字表記:二千十万四千五

素因数分解:

3 1 × 5 1 × 43 1 × 71 1 × 439 1

素因数の和:561
約数の個数: 32
約数和(自身を含む): 33454080
約数和(自身を除く): 13350075

約数列:
[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 439, 645, 1065, 1317, 2195, 3053, 6585, 9159, 15265, 18877, 31169, 45795, 56631, 93507, 94385, 155845, 283155, 467535, 1340267, 4020801, 6701335, 20104005]

約数ペア:
[(1, 20104005), (3, 6701335), (5, 4020801), (15, 1340267), (43, 467535), (71, 283155), (129, 155845), (213, 94385), (215, 93507), (355, 56631), (439, 45795), (645, 31169), (1065, 18877), (1317, 15265), (2195, 9159), (3053, 6585)]

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