20121040870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{395383}}^1$

素因数の和:396124

約数の個数: 32

約数和(自身を含む): 41448895488

約数和(自身を除く): 21327854618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 727, 1454, 3635, 5089, 7270, 10178, 25445, 50890, 395383, 790766, 1976915, 2767681, 3953830, 5535362, 13838405, 27676810, 287443441, 574886882, 1437217205, 2012104087, 2874434410, 4024208174, 10060520435, 20121040870]

約数ペア:

[(1, 20121040870), (2, 10060520435), (5, 4024208174), (7, 2874434410), (10, 2012104087), (14, 1437217205), (35, 574886882), (70, 287443441), (727, 27676810), (1454, 13838405), (3635, 5535362), (5089, 3953830), (7270, 2767681), (10178, 1976915), (25445, 790766), (50890, 395383)]