20181615520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{194353}}^1$

素因数の和:194438

約数の個数: 96

約数和(自身を含む): 52895384640

約数和(自身を除く): 32713769120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 220, 236, 295, 352, 440, 472, 590, 649, 880, 944, 1180, 1298, 1760, 1888, 2360, 2596, 3245, 4720, 5192, 6490, 9440, 10384, 12980, 20768, 25960, 51920, 103840, 194353, 388706, 777412, 971765, 1554824, 1943530, 2137883, 3109648, 3887060, 4275766, 6219296, 7774120, 8551532, 10689415, 11466827, 15548240, 17103064, 21378830, 22933654, 31096480, 34206128, 42757660, 45867308, 57334135, 68412256, 85515320, 91734616, 114668270, 126135097, 171030640, 183469232, 229336540, 252270194, 342061280, 366938464, 458673080, 504540388, 630675485, 917346160, 1009080776, 1261350970, 1834692320, 2018161552, 2522701940, 4036323104, 5045403880, 10090807760, 20181615520]

約数ペア:

[(1, 20181615520), (2, 10090807760), (4, 5045403880), (5, 4036323104), (8, 2522701940), (10, 2018161552), (11, 1834692320), (16, 1261350970), (20, 1009080776), (22, 917346160), (32, 630675485), (40, 504540388), (44, 458673080), (55, 366938464), (59, 342061280), (80, 252270194), (88, 229336540), (110, 183469232), (118, 171030640), (160, 126135097), (176, 114668270), (220, 91734616), (236, 85515320), (295, 68412256), (352, 57334135), (440, 45867308), (472, 42757660), (590, 34206128), (649, 31096480), (880, 22933654), (944, 21378830), (1180, 17103064), (1298, 15548240), (1760, 11466827), (1888, 10689415), (2360, 8551532), (2596, 7774120), (3245, 6219296), (4720, 4275766), (5192, 3887060), (6490, 3109648), (9440, 2137883), (10384, 1943530), (12980, 1554824), (20768, 971765), (25960, 777412), (51920, 388706), (103840, 194353)]