20872639229

素因数分解:

${\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{617}}^1\times {\mathrm{4259}}^1$

素因数の和:4949

約数の個数: 24

約数和(自身を含む): 23125461120

約数和(自身を除く): 2252821891

約数列:

[1, 13, 47, 169, 611, 617, 4259, 7943, 8021, 28999, 55367, 104273, 200173, 376987, 719771, 2602249, 2627803, 4900831, 33829237, 34161439, 123506741, 444098707, 1605587633, 20872639229]

約数ペア:

[(1, 20872639229), (13, 1605587633), (47, 444098707), (169, 123506741), (611, 34161439), (617, 33829237), (4259, 4900831), (7943, 2627803), (8021, 2602249), (28999, 719771), (55367, 376987), (104273, 200173)]