About the Number

20129074749

20129074748 ← → 20129074750

2進数表記:10010101111110010010100111000111101

漢数字表記:二百一億二千九百七万四千七百四十九

素因数分解:

3 3 × 7 1 × 23 2 × 201329 1

素因数の和:201391
約数の個数: 48
約数和(自身を含む): 35627356800
約数和(自身を除く): 15498282051

約数列:
[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 529, 621, 1449, 1587, 3703, 4347, 4761, 11109, 14283, 33327, 99981, 201329, 603987, 1409303, 1811961, 4227909, 4630567, 5435883, 12683727, 13891701, 32413969, 38051181, 41675103, 97241907, 106503041, 125025309, 291725721, 319509123, 745521287, 875177163, 958527369, 2236563861, 2875582107, 6709691583, 20129074749]

約数ペア:
[(1, 20129074749), (3, 6709691583), (7, 2875582107), (9, 2236563861), (21, 958527369), (23, 875177163), (27, 745521287), (63, 319509123), (69, 291725721), (161, 125025309), (189, 106503041), (207, 97241907), (483, 41675103), (529, 38051181), (621, 32413969), (1449, 13891701), (1587, 12683727), (3703, 5435883), (4347, 4630567), (4761, 4227909), (11109, 1811961), (14283, 1409303), (33327, 603987), (99981, 201329)]

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