20213620679

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{733}}^1\times {\mathrm{24469}}^1$

素因数の和:25239

約数の個数: 24

約数和(自身を含む): 24570620640

約数和(自身を除く): 4356999961

約数列:

[1, 7, 23, 49, 161, 733, 1127, 5131, 16859, 24469, 35917, 118013, 171283, 562787, 826091, 1198981, 3939509, 17935777, 27576563, 125550439, 412522871, 878853073, 2887660097, 20213620679]

約数ペア:

[(1, 20213620679), (7, 2887660097), (23, 878853073), (49, 412522871), (161, 125550439), (733, 27576563), (1127, 17935777), (5131, 3939509), (16859, 1198981), (24469, 826091), (35917, 562787), (118013, 171283)]