20147544

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{607}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 34627176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 607, 922, 1214, 1383, 1821, 1844, 2428, 2766, 3642, 3688, 4149, 4856, 5463, 5532, 7284, 8298, 10926, 11064, 14568, 16596, 21852, 33192, 43704, 279827, 559654, 839481, 1119308, 1678962, 2238616, 2518443, 3357924, 5036886, 6715848, 10073772, 20147544]

約数ペア:

[(1, 20147544), (2, 10073772), (3, 6715848), (4, 5036886), (6, 3357924), (8, 2518443), (9, 2238616), (12, 1678962), (18, 1119308), (24, 839481), (36, 559654), (72, 279827), (461, 43704), (607, 33192), (922, 21852), (1214, 16596), (1383, 14568), (1821, 11064), (1844, 10926), (2428, 8298), (2766, 7284), (3642, 5532), (3688, 5463), (4149, 4856)]