20506118787

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9863453}}^1$

素因数の和:9863480

約数の個数: 32

約数和(自身を含む): 37875663360

約数和(自身を除く): 17369544573

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9863453, 29590359, 69044171, 88771077, 108497983, 207132513, 266313231, 325493949, 621397539, 759485881, 976481847, 1864192617, 2278457643, 2929445541, 6835372929, 20506118787]

約数ペア:

[(1, 20506118787), (3, 6835372929), (7, 2929445541), (9, 2278457643), (11, 1864192617), (21, 976481847), (27, 759485881), (33, 621397539), (63, 325493949), (77, 266313231), (99, 207132513), (189, 108497983), (231, 88771077), (297, 69044171), (693, 29590359), (2079, 9863453)]