20429724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 55012608

約数和(自身を除く): 34582884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2273, 2996, 4494, 4546, 6819, 8988, 9092, 13638, 15911, 27276, 31822, 47733, 63644, 95466, 190932, 243211, 486422, 729633, 972844, 1459266, 1702477, 2918532, 3404954, 5107431, 6809908, 10214862, 20429724]

約数ペア:

[(1, 20429724), (2, 10214862), (3, 6809908), (4, 5107431), (6, 3404954), (7, 2918532), (12, 1702477), (14, 1459266), (21, 972844), (28, 729633), (42, 486422), (84, 243211), (107, 190932), (214, 95466), (321, 63644), (428, 47733), (642, 31822), (749, 27276), (1284, 15911), (1498, 13638), (2247, 9092), (2273, 8988), (2996, 6819), (4494, 4546)]