20504848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14083}}^1$

素因数の和:14111

約数の個数: 40

約数和(自身を含む): 48899648

約数和(自身を除く): 28394800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14083, 28166, 56332, 98581, 112664, 183079, 197162, 225328, 366158, 394324, 732316, 788648, 1281553, 1464632, 1577296, 2563106, 2929264, 5126212, 10252424, 20504848]

約数ペア:

[(1, 20504848), (2, 10252424), (4, 5126212), (7, 2929264), (8, 2563106), (13, 1577296), (14, 1464632), (16, 1281553), (26, 788648), (28, 732316), (52, 394324), (56, 366158), (91, 225328), (104, 197162), (112, 183079), (182, 112664), (208, 98581), (364, 56332), (728, 28166), (1456, 14083)]