20144436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 51038400

約数和(自身を除く): 30893964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 929, 1668, 1807, 1858, 2787, 3614, 3716, 5421, 5574, 7228, 10842, 11148, 12077, 21684, 24154, 36231, 48308, 72462, 129131, 144924, 258262, 387393, 516524, 774786, 1549572, 1678703, 3357406, 5036109, 6714812, 10072218, 20144436]

約数ペア:

[(1, 20144436), (2, 10072218), (3, 6714812), (4, 5036109), (6, 3357406), (12, 1678703), (13, 1549572), (26, 774786), (39, 516524), (52, 387393), (78, 258262), (139, 144924), (156, 129131), (278, 72462), (417, 48308), (556, 36231), (834, 24154), (929, 21684), (1668, 12077), (1807, 11148), (1858, 10842), (2787, 7228), (3614, 5574), (3716, 5421)]