20176576256

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{21599}}^1$

素因数の和:21745

約数の個数: 72

約数和(自身を含む): 41722128000

約数和(自身を除く): 21545551744

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 89, 128, 164, 178, 256, 328, 356, 656, 712, 1312, 1424, 2624, 2848, 3649, 5248, 5696, 7298, 10496, 11392, 14596, 21599, 22784, 29192, 43198, 58384, 86396, 116768, 172792, 233536, 345584, 467072, 691168, 885559, 934144, 1382336, 1771118, 1922311, 2764672, 3542236, 3844622, 5529344, 7084472, 7689244, 14168944, 15378488, 28337888, 30756976, 56675776, 61513952, 78814751, 113351552, 123027904, 157629502, 226703104, 246055808, 315259004, 492111616, 630518008, 1261036016, 2522072032, 5044144064, 10088288128, 20176576256]

約数ペア:

[(1, 20176576256), (2, 10088288128), (4, 5044144064), (8, 2522072032), (16, 1261036016), (32, 630518008), (41, 492111616), (64, 315259004), (82, 246055808), (89, 226703104), (128, 157629502), (164, 123027904), (178, 113351552), (256, 78814751), (328, 61513952), (356, 56675776), (656, 30756976), (712, 28337888), (1312, 15378488), (1424, 14168944), (2624, 7689244), (2848, 7084472), (3649, 5529344), (5248, 3844622), (5696, 3542236), (7298, 2764672), (10496, 1922311), (11392, 1771118), (14596, 1382336), (21599, 934144), (22784, 885559), (29192, 691168), (43198, 467072), (58384, 345584), (86396, 233536), (116768, 172792)]