About the Number
20122702990
2進数表記:10010101111011010000001010010001110
漢数字表記:二百一億二千二百七十万二千九百九十
素因数分解:
素因数の和:1282
約数の個数: 128
約数和(自身を含む): 42326323200
約数和(自身を除く): 22203620210
約数列:
[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 230, 239, 290, 299, 377, 478, 598, 667, 754, 971, 1195, 1334, 1495, 1885, 1942, 2390, 2990, 3107, 3335, 3770, 4855, 5497, 6214, 6670, 6931, 8671, 9710, 10994, 12623, 13862, 15535, 17342, 22333, 25246, 27485, 28159, 31070, 34655, 43355, 44666, 54970, 56318, 63115, 69310, 71461, 86710, 90103, 111665, 126230, 140795, 142922, 159413, 180206, 223330, 232069, 281590, 290329, 318826, 357305, 366067, 450515, 464138, 580658, 647657, 714610, 732134, 797065, 901030, 1160345, 1295314, 1451645, 1594130, 1830335, 2072369, 2320690, 2903290, 3016897, 3238285, 3660670, 4144738, 5337587, 6033794, 6476570, 6730001, 8419541, 10361845, 10675174, 13460002, 15084485, 16839082, 20723690, 26687935, 30168970, 33650005, 42097705, 53375870, 67300010, 69388631, 84195410, 87490013, 138777262, 154790023, 174980026, 309580046, 346943155, 437450065, 693886310, 773950115, 874900130, 1547900230, 2012270299, 4024540598, 10061351495, 20122702990]
約数ペア:
[(1, 20122702990), (2, 10061351495), (5, 4024540598), (10, 2012270299), (13, 1547900230), (23, 874900130), (26, 773950115), (29, 693886310), (46, 437450065), (58, 346943155), (65, 309580046), (115, 174980026), (130, 154790023), (145, 138777262), (230, 87490013), (239, 84195410), (290, 69388631), (299, 67300010), (377, 53375870), (478, 42097705), (598, 33650005), (667, 30168970), (754, 26687935), (971, 20723690), (1195, 16839082), (1334, 15084485), (1495, 13460002), (1885, 10675174), (1942, 10361845), (2390, 8419541), (2990, 6730001), (3107, 6476570), (3335, 6033794), (3770, 5337587), (4855, 4144738), (5497, 3660670), (6214, 3238285), (6670, 3016897), (6931, 2903290), (8671, 2320690), (9710, 2072369), (10994, 1830335), (12623, 1594130), (13862, 1451645), (15535, 1295314), (17342, 1160345), (22333, 901030), (25246, 797065), (27485, 732134), (28159, 714610), (31070, 647657), (34655, 580658), (43355, 464138), (44666, 450515), (54970, 366067), (56318, 357305), (63115, 318826), (69310, 290329), (71461, 281590), (86710, 232069), (90103, 223330), (111665, 180206), (126230, 159413), (140795, 142922)]このpageの処理時間: 0.11281394958496094 seconds