20448908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 37237200

約数和(自身を除く): 16788292

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1949, 2623, 3898, 5246, 7796, 10492, 83807, 118889, 167614, 237778, 335228, 475556, 5112227, 10224454, 20448908]

約数ペア:

[(1, 20448908), (2, 10224454), (4, 5112227), (43, 475556), (61, 335228), (86, 237778), (122, 167614), (172, 118889), (244, 83807), (1949, 10492), (2623, 7796), (3898, 5246)]