20689285104

素因数分解:

$2^4\times 3^2\times {\mathrm{571}}^1\times {\mathrm{251621}}^1$

素因数の和:252206

約数の個数: 60

約数和(自身を含む): 58002896952

約数和(自身を除く): 37313611848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 571, 1142, 1713, 2284, 3426, 4568, 5139, 6852, 9136, 10278, 13704, 20556, 27408, 41112, 82224, 251621, 503242, 754863, 1006484, 1509726, 2012968, 2264589, 3019452, 4025936, 4529178, 6038904, 9058356, 12077808, 18116712, 36233424, 143675591, 287351182, 431026773, 574702364, 862053546, 1149404728, 1293080319, 1724107092, 2298809456, 2586160638, 3448214184, 5172321276, 6896428368, 10344642552, 20689285104]

約数ペア:

[(1, 20689285104), (2, 10344642552), (3, 6896428368), (4, 5172321276), (6, 3448214184), (8, 2586160638), (9, 2298809456), (12, 1724107092), (16, 1293080319), (18, 1149404728), (24, 862053546), (36, 574702364), (48, 431026773), (72, 287351182), (144, 143675591), (571, 36233424), (1142, 18116712), (1713, 12077808), (2284, 9058356), (3426, 6038904), (4568, 4529178), (5139, 4025936), (6852, 3019452), (9136, 2264589), (10278, 2012968), (13704, 1509726), (20556, 1006484), (27408, 754863), (41112, 503242), (82224, 251621)]