20485964

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 36590400

約数和(自身を除く): 16104436

約数列:

[1, 2, 4, 79, 158, 241, 269, 316, 482, 538, 964, 1076, 19039, 21251, 38078, 42502, 64829, 76156, 85004, 129658, 259316, 5121491, 10242982, 20485964]

約数ペア:

[(1, 20485964), (2, 10242982), (4, 5121491), (79, 259316), (158, 129658), (241, 85004), (269, 76156), (316, 64829), (482, 42502), (538, 38078), (964, 21251), (1076, 19039)]