2006920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2555000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 383, 524, 655, 766, 1048, 1310, 1532, 1915, 2620, 3064, 3830, 5240, 7660, 15320, 50173, 100346, 200692, 250865, 401384, 501730, 1003460, 2006920]

約数ペア:

[(1, 2006920), (2, 1003460), (4, 501730), (5, 401384), (8, 250865), (10, 200692), (20, 100346), (40, 50173), (131, 15320), (262, 7660), (383, 5240), (524, 3830), (655, 3064), (766, 2620), (1048, 1915), (1310, 1532)]