20663104

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:636

約数の個数: 84

約数和(自身を含む): 52120800

約数和(自身を除く): 31457696

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 448, 539, 599, 616, 704, 784, 1078, 1198, 1232, 1568, 2156, 2396, 2464, 3136, 4193, 4312, 4792, 4928, 6589, 8386, 8624, 9584, 13178, 16772, 17248, 19168, 26356, 29351, 33544, 34496, 38336, 46123, 52712, 58702, 67088, 92246, 105424, 117404, 134176, 184492, 210848, 234808, 268352, 322861, 368984, 421696, 469616, 645722, 737968, 939232, 1291444, 1475936, 1878464, 2582888, 2951872, 5165776, 10331552, 20663104]

約数ペア:

[(1, 20663104), (2, 10331552), (4, 5165776), (7, 2951872), (8, 2582888), (11, 1878464), (14, 1475936), (16, 1291444), (22, 939232), (28, 737968), (32, 645722), (44, 469616), (49, 421696), (56, 368984), (64, 322861), (77, 268352), (88, 234808), (98, 210848), (112, 184492), (154, 134176), (176, 117404), (196, 105424), (224, 92246), (308, 67088), (352, 58702), (392, 52712), (448, 46123), (539, 38336), (599, 34496), (616, 33544), (704, 29351), (784, 26356), (1078, 19168), (1198, 17248), (1232, 16772), (1568, 13178), (2156, 9584), (2396, 8624), (2464, 8386), (3136, 6589), (4193, 4928), (4312, 4792)]