20925513

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15189687

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2089, 3339, 6267, 10017, 14623, 18801, 43869, 56403, 110717, 131607, 332151, 394821, 775019, 996453, 2325057, 2989359, 6975171, 20925513]

約数ペア:

[(1, 20925513), (3, 6975171), (7, 2989359), (9, 2325057), (21, 996453), (27, 775019), (53, 394821), (63, 332151), (159, 131607), (189, 110717), (371, 56403), (477, 43869), (1113, 18801), (1431, 14623), (2089, 10017), (3339, 6267)]