20149976

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4673}}^1$

素因数の和:4704

約数の個数: 48

約数和(自身を含む): 47955240

約数和(自身を除く): 27805264

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4673, 9346, 18692, 32711, 37384, 51403, 65422, 102806, 130844, 205612, 228977, 261688, 359821, 411224, 457954, 719642, 915908, 1439284, 1831816, 2518747, 2878568, 5037494, 10074988, 20149976]

約数ペア:

[(1, 20149976), (2, 10074988), (4, 5037494), (7, 2878568), (8, 2518747), (11, 1831816), (14, 1439284), (22, 915908), (28, 719642), (44, 457954), (49, 411224), (56, 359821), (77, 261688), (88, 228977), (98, 205612), (154, 130844), (196, 102806), (308, 65422), (392, 51403), (539, 37384), (616, 32711), (1078, 18692), (2156, 9346), (4312, 4673)]