20189758610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{136889}}^1$

素因数の和:136960

約数の個数: 64

約数和(自身を含む): 43366752000

約数和(自身を除く): 23176993390

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 343, 430, 490, 602, 686, 1505, 1715, 2107, 3010, 3430, 4214, 10535, 14749, 21070, 29498, 73745, 136889, 147490, 273778, 684445, 958223, 1368890, 1916446, 4791115, 5886227, 6707561, 9582230, 11772454, 13415122, 29431135, 33537805, 41203589, 46952927, 58862270, 67075610, 82407178, 93905854, 206017945, 234764635, 288425123, 412035890, 469529270, 576850246, 1442125615, 2018975861, 2884251230, 4037951722, 10094879305, 20189758610]

約数ペア:

[(1, 20189758610), (2, 10094879305), (5, 4037951722), (7, 2884251230), (10, 2018975861), (14, 1442125615), (35, 576850246), (43, 469529270), (49, 412035890), (70, 288425123), (86, 234764635), (98, 206017945), (215, 93905854), (245, 82407178), (301, 67075610), (343, 58862270), (430, 46952927), (490, 41203589), (602, 33537805), (686, 29431135), (1505, 13415122), (1715, 11772454), (2107, 9582230), (3010, 6707561), (3430, 5886227), (4214, 4791115), (10535, 1916446), (14749, 1368890), (21070, 958223), (29498, 684445), (73745, 273778), (136889, 147490)]