20668528510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{15809}}^1$

素因数の和:16825

約数の個数: 64

約数和(自身を含む): 44804275200

約数和(自身を除く): 24135746690

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 983, 1330, 1966, 4915, 6881, 9830, 13762, 15809, 18677, 31618, 34405, 37354, 68810, 79045, 93385, 110663, 130739, 158090, 186770, 221326, 261478, 300371, 553315, 600742, 653695, 1106630, 1307390, 1501855, 2102597, 3003710, 4205194, 10512985, 15540247, 21025970, 31080494, 77701235, 108781729, 155402470, 217563458, 295264693, 543908645, 590529386, 1087817290, 1476323465, 2066852851, 2952646930, 4133705702, 10334264255, 20668528510]

約数ペア:

[(1, 20668528510), (2, 10334264255), (5, 4133705702), (7, 2952646930), (10, 2066852851), (14, 1476323465), (19, 1087817290), (35, 590529386), (38, 543908645), (70, 295264693), (95, 217563458), (133, 155402470), (190, 108781729), (266, 77701235), (665, 31080494), (983, 21025970), (1330, 15540247), (1966, 10512985), (4915, 4205194), (6881, 3003710), (9830, 2102597), (13762, 1501855), (15809, 1307390), (18677, 1106630), (31618, 653695), (34405, 600742), (37354, 553315), (68810, 300371), (79045, 261478), (93385, 221326), (110663, 186770), (130739, 158090)]