20528030060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1472599}}^1$

素因数の和:1472666

約数の個数: 48

約数和(自身を含む): 46757995200

約数和(自身を除く): 26229965140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 1472599, 2945198, 5890396, 7362995, 14725990, 25034183, 29451980, 50068366, 60376559, 100136732, 120753118, 125170915, 241506236, 250341830, 301882795, 500683660, 603765590, 1026401503, 1207531180, 2052803006, 4105606012, 5132007515, 10264015030, 20528030060]

約数ペア:

[(1, 20528030060), (2, 10264015030), (4, 5132007515), (5, 4105606012), (10, 2052803006), (17, 1207531180), (20, 1026401503), (34, 603765590), (41, 500683660), (68, 301882795), (82, 250341830), (85, 241506236), (164, 125170915), (170, 120753118), (205, 100136732), (340, 60376559), (410, 50068366), (697, 29451980), (820, 25034183), (1394, 14725990), (2788, 7362995), (3485, 5890396), (6970, 2945198), (13940, 1472599)]