20107774575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{671939}}^1$

素因数の和:671981

約数の個数: 72

約数和(自身を含む): 43326691200

約数和(自身を除く): 23218916625

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 1197, 1425, 1575, 1995, 3325, 4275, 5985, 9975, 29925, 671939, 2015817, 3359695, 4703573, 6047451, 10079085, 12766841, 14110719, 16798475, 23517865, 30237255, 38300523, 42332157, 50395425, 63834205, 70553595, 89367887, 114901569, 117589325, 151186275, 191502615, 211660785, 268103661, 319171025, 352767975, 446839435, 574507845, 804310983, 957513075, 1058303925, 1340518305, 2234197175, 2872539225, 4021554915, 6702591525, 20107774575]

約数ペア:

[(1, 20107774575), (3, 6702591525), (5, 4021554915), (7, 2872539225), (9, 2234197175), (15, 1340518305), (19, 1058303925), (21, 957513075), (25, 804310983), (35, 574507845), (45, 446839435), (57, 352767975), (63, 319171025), (75, 268103661), (95, 211660785), (105, 191502615), (133, 151186275), (171, 117589325), (175, 114901569), (225, 89367887), (285, 70553595), (315, 63834205), (399, 50395425), (475, 42332157), (525, 38300523), (665, 30237255), (855, 23517865), (1197, 16798475), (1425, 14110719), (1575, 12766841), (1995, 10079085), (3325, 6047451), (4275, 4703573), (5985, 3359695), (9975, 2015817), (29925, 671939)]