20174861571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{18127}}^1$

素因数の和:18443

約数の個数: 32

約数和(自身を含む): 28871377920

約数和(自身を除く): 8696516349

約数列:

[1, 3, 17, 51, 139, 157, 417, 471, 2363, 2669, 7089, 8007, 18127, 21823, 54381, 65469, 308159, 370991, 924477, 1112973, 2519653, 2845939, 7558959, 8537817, 42834101, 48380963, 128502303, 145142889, 395585521, 1186756563, 6724953857, 20174861571]

約数ペア:

[(1, 20174861571), (3, 6724953857), (17, 1186756563), (51, 395585521), (139, 145142889), (157, 128502303), (417, 48380963), (471, 42834101), (2363, 8537817), (2669, 7558959), (7089, 2845939), (8007, 2519653), (18127, 1112973), (21823, 924477), (54381, 370991), (65469, 308159)]