20809898225515

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1\times {\mathrm{599}}^1\times {\mathrm{33013}}^1$

素因数の和:34012

約数の個数: 64

約数和(自身を含む): 28957662259200

約数和(自身を除く): 8147764033685

約数列:

[1, 5, 7, 35, 107, 281, 535, 599, 749, 1405, 1967, 2995, 3745, 4193, 9835, 20965, 30067, 33013, 64093, 150335, 165065, 168319, 210469, 231091, 320465, 448651, 841595, 1052345, 1155455, 1178233, 2243255, 3532391, 5891165, 9276653, 17661955, 18010133, 19774787, 24726737, 46383265, 64936571, 90050665, 98873935, 123633685, 126070931, 138423509, 324682855, 630354655, 692117545, 992601871, 2115902209, 4963009355, 5556715147, 6948213097, 10579511045, 14811315463, 27783575735, 34741065485, 38897006029, 74056577315, 194485030145, 594568520729, 2972842603645, 4161979645103, 20809898225515]

約数ペア:

[(1, 20809898225515), (5, 4161979645103), (7, 2972842603645), (35, 594568520729), (107, 194485030145), (281, 74056577315), (535, 38897006029), (599, 34741065485), (749, 27783575735), (1405, 14811315463), (1967, 10579511045), (2995, 6948213097), (3745, 5556715147), (4193, 4963009355), (9835, 2115902209), (20965, 992601871), (30067, 692117545), (33013, 630354655), (64093, 324682855), (150335, 138423509), (165065, 126070931), (168319, 123633685), (210469, 98873935), (231091, 90050665), (320465, 64936571), (448651, 46383265), (841595, 24726737), (1052345, 19774787), (1155455, 18010133), (1178233, 17661955), (2243255, 9276653), (3532391, 5891165)]