20519530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 38523600

約数和(自身を除く): 18004070

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 409, 818, 865, 1730, 2045, 4090, 5017, 10034, 11861, 23722, 25085, 50170, 59305, 70757, 118610, 141514, 353785, 707570, 2051953, 4103906, 10259765, 20519530]

約数ペア:

[(1, 20519530), (2, 10259765), (5, 4103906), (10, 2051953), (29, 707570), (58, 353785), (145, 141514), (173, 118610), (290, 70757), (346, 59305), (409, 50170), (818, 25085), (865, 23722), (1730, 11861), (2045, 10034), (4090, 5017)]