20263896

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 55092960

約数和(自身を除く): 34829064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 653, 862, 1293, 1306, 1724, 1959, 2586, 2612, 3448, 3879, 3918, 5172, 5224, 5877, 7758, 7836, 10344, 11754, 15516, 15672, 23508, 31032, 47016, 281443, 562886, 844329, 1125772, 1688658, 2251544, 2532987, 3377316, 5065974, 6754632, 10131948, 20263896]

約数ペア:

[(1, 20263896), (2, 10131948), (3, 6754632), (4, 5065974), (6, 3377316), (8, 2532987), (9, 2251544), (12, 1688658), (18, 1125772), (24, 844329), (36, 562886), (72, 281443), (431, 47016), (653, 31032), (862, 23508), (1293, 15672), (1306, 15516), (1724, 11754), (1959, 10344), (2586, 7836), (2612, 7758), (3448, 5877), (3879, 5224), (3918, 5172)]