20822648

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 50034600

約数和(自身を除く): 29211952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 439, 484, 539, 616, 847, 878, 968, 1078, 1694, 1756, 2156, 3073, 3388, 3512, 4312, 4829, 5929, 6146, 6776, 9658, 11858, 12292, 19316, 21511, 23716, 24584, 33803, 38632, 43022, 47432, 53119, 67606, 86044, 106238, 135212, 172088, 212476, 236621, 270424, 371833, 424952, 473242, 743666, 946484, 1487332, 1892968, 2602831, 2974664, 5205662, 10411324, 20822648]

約数ペア:

[(1, 20822648), (2, 10411324), (4, 5205662), (7, 2974664), (8, 2602831), (11, 1892968), (14, 1487332), (22, 946484), (28, 743666), (44, 473242), (49, 424952), (56, 371833), (77, 270424), (88, 236621), (98, 212476), (121, 172088), (154, 135212), (196, 106238), (242, 86044), (308, 67606), (392, 53119), (439, 47432), (484, 43022), (539, 38632), (616, 33803), (847, 24584), (878, 23716), (968, 21511), (1078, 19316), (1694, 12292), (1756, 11858), (2156, 9658), (3073, 6776), (3388, 6146), (3512, 5929), (4312, 4829)]