20558506175

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 26530301952

約数和(自身を除く): 5971795777

約数列:

[1, 5, 25, 47, 71, 235, 263, 355, 937, 1175, 1315, 1775, 3337, 4685, 6575, 12361, 16685, 18673, 23425, 44039, 61805, 66527, 83425, 93365, 220195, 246431, 309025, 332635, 466825, 877631, 1100975, 1232155, 1663175, 3126769, 4388155, 6160775, 11582257, 15633845, 17496601, 21940775, 57911285, 78169225, 87483005, 289556425, 437415025, 822340247, 4111701235, 20558506175]

約数ペア:

[(1, 20558506175), (5, 4111701235), (25, 822340247), (47, 437415025), (71, 289556425), (235, 87483005), (263, 78169225), (355, 57911285), (937, 21940775), (1175, 17496601), (1315, 15633845), (1775, 11582257), (3337, 6160775), (4685, 4388155), (6575, 3126769), (12361, 1663175), (16685, 1232155), (18673, 1100975), (23425, 877631), (44039, 466825), (61805, 332635), (66527, 309025), (83425, 246431), (93365, 220195)]