20213462718

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15816481}}^1$

素因数の和:15816560

約数の個数: 24

約数和(自身を含む): 44412681456

約数和(自身を除く): 24199218738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15816481, 31632962, 47449443, 94898886, 142348329, 284696658, 1122970151, 2245940302, 3368910453, 6737820906, 10106731359, 20213462718]

約数ペア:

[(1, 20213462718), (2, 10106731359), (3, 6737820906), (6, 3368910453), (9, 2245940302), (18, 1122970151), (71, 284696658), (142, 142348329), (213, 94898886), (426, 47449443), (639, 31632962), (1278, 15816481)]