20207777408

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{91309}}^1$

素因数の和:91362

約数の個数: 128

約数和(自身を含む): 52156272000

約数和(自身を除く): 31948494592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1456, 1664, 1729, 1976, 2128, 2432, 2912, 3458, 3952, 4256, 5824, 6916, 7904, 8512, 11648, 13832, 15808, 17024, 27664, 31616, 55328, 91309, 110656, 182618, 221312, 365236, 639163, 730472, 1187017, 1278326, 1460944, 1734871, 2374034, 2556652, 2921888, 3469742, 4748068, 5113304, 5843776, 6939484, 8309119, 9496136, 10226608, 11687552, 12144097, 13878968, 16618238, 18992272, 20453216, 22553323, 24288194, 27757936, 33236476, 37984544, 40906432, 45106646, 48576388, 55515872, 66472952, 75969088, 81812864, 90213292, 97152776, 111031744, 132945904, 151938176, 157873261, 180426584, 194305552, 222063488, 265891808, 315746522, 360853168, 388611104, 531783616, 631493044, 721706336, 777222208, 1063567232, 1262986088, 1443412672, 1554444416, 2525972176, 2886825344, 5051944352, 10103888704, 20207777408]

約数ペア:

[(1, 20207777408), (2, 10103888704), (4, 5051944352), (7, 2886825344), (8, 2525972176), (13, 1554444416), (14, 1443412672), (16, 1262986088), (19, 1063567232), (26, 777222208), (28, 721706336), (32, 631493044), (38, 531783616), (52, 388611104), (56, 360853168), (64, 315746522), (76, 265891808), (91, 222063488), (104, 194305552), (112, 180426584), (128, 157873261), (133, 151938176), (152, 132945904), (182, 111031744), (208, 97152776), (224, 90213292), (247, 81812864), (266, 75969088), (304, 66472952), (364, 55515872), (416, 48576388), (448, 45106646), (494, 40906432), (532, 37984544), (608, 33236476), (728, 27757936), (832, 24288194), (896, 22553323), (988, 20453216), (1064, 18992272), (1216, 16618238), (1456, 13878968), (1664, 12144097), (1729, 11687552), (1976, 10226608), (2128, 9496136), (2432, 8309119), (2912, 6939484), (3458, 5843776), (3952, 5113304), (4256, 4748068), (5824, 3469742), (6916, 2921888), (7904, 2556652), (8512, 2374034), (11648, 1734871), (13832, 1460944), (15808, 1278326), (17024, 1187017), (27664, 730472), (31616, 639163), (55328, 365236), (91309, 221312), (110656, 182618)]