20115604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4339}}^1$

素因数の和:4423

約数の個数: 24

約数和(自身を含む): 37671200

約数和(自身を除く): 17555596

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4339, 4636, 8678, 17356, 82441, 164882, 264679, 329764, 529358, 1058716, 5028901, 10057802, 20115604]

約数ペア:

[(1, 20115604), (2, 10057802), (4, 5028901), (19, 1058716), (38, 529358), (61, 329764), (76, 264679), (122, 164882), (244, 82441), (1159, 17356), (2318, 8678), (4339, 4636)]