About the Number

20210744640

20210744639 ← → 20210744641

2進数表記:10010110100101001110111110101000000

漢数字表記:二百二億千七十四万四千六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 2221 1 × 9479 1

素因数の和:11720
約数の個数: 112
約数和(自身を含む): 64204778880
約数和(自身を除く): 43994034240

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 2221, 4442, 6663, 8884, 9479, 11105, 13326, 17768, 18958, 22210, 26652, 28437, 33315, 35536, 37916, 44420, 47395, 53304, 56874, 66630, 71072, 75832, 88840, 94790, 106608, 113748, 133260, 142144, 142185, 151664, 177680, 189580, 213216, 227496, 266520, 284370, 303328, 355360, 379160, 426432, 454992, 533040, 568740, 606656, 710720, 758320, 909984, 1066080, 1137480, 1516640, 1819968, 2132160, 2274960, 3033280, 4549920, 9099840, 21052859, 42105718, 63158577, 84211436, 105264295, 126317154, 168422872, 210528590, 252634308, 315792885, 336845744, 421057180, 505268616, 631585770, 673691488, 842114360, 1010537232, 1263171540, 1347382976, 1684228720, 2021074464, 2526343080, 3368457440, 4042148928, 5052686160, 6736914880, 10105372320, 20210744640]

約数ペア:
[(1, 20210744640), (2, 10105372320), (3, 6736914880), (4, 5052686160), (5, 4042148928), (6, 3368457440), (8, 2526343080), (10, 2021074464), (12, 1684228720), (15, 1347382976), (16, 1263171540), (20, 1010537232), (24, 842114360), (30, 673691488), (32, 631585770), (40, 505268616), (48, 421057180), (60, 336845744), (64, 315792885), (80, 252634308), (96, 210528590), (120, 168422872), (160, 126317154), (192, 105264295), (240, 84211436), (320, 63158577), (480, 42105718), (960, 21052859), (2221, 9099840), (4442, 4549920), (6663, 3033280), (8884, 2274960), (9479, 2132160), (11105, 1819968), (13326, 1516640), (17768, 1137480), (18958, 1066080), (22210, 909984), (26652, 758320), (28437, 710720), (33315, 606656), (35536, 568740), (37916, 533040), (44420, 454992), (47395, 426432), (53304, 379160), (56874, 355360), (66630, 303328), (71072, 284370), (75832, 266520), (88840, 227496), (94790, 213216), (106608, 189580), (113748, 177680), (133260, 151664), (142144, 142185)]

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