20159204515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{4723}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 25370827776

約数和(自身を除く): 5211623261

約数列:

[1, 5, 41, 47, 205, 235, 443, 1927, 2215, 4723, 9635, 18163, 20821, 23615, 90815, 104105, 193643, 221981, 853661, 968215, 1109905, 2092289, 4268305, 9101221, 10461445, 45506105, 85783849, 98337583, 428919245, 491687915, 4031840903, 20159204515]

約数ペア:

[(1, 20159204515), (5, 4031840903), (41, 491687915), (47, 428919245), (205, 98337583), (235, 85783849), (443, 45506105), (1927, 10461445), (2215, 9101221), (4723, 4268305), (9635, 2092289), (18163, 1109905), (20821, 968215), (23615, 853661), (90815, 221981), (104105, 193643)]