20205535

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 8658977

約数列:

[1, 5, 7, 35, 47, 71, 173, 235, 329, 355, 497, 865, 1211, 1645, 2485, 3337, 6055, 8131, 12283, 16685, 23359, 40655, 56917, 61415, 85981, 116795, 284585, 429905, 577301, 2886505, 4041107, 20205535]

約数ペア:

[(1, 20205535), (5, 4041107), (7, 2886505), (35, 577301), (47, 429905), (71, 284585), (173, 116795), (235, 85981), (329, 61415), (355, 56917), (497, 40655), (865, 23359), (1211, 16685), (1645, 12283), (2485, 8131), (3337, 6055)]