20048763

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 12714117

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 631, 1513, 1869, 1893, 4417, 4539, 10591, 10727, 13251, 31773, 32181, 56159, 75089, 168477, 225267, 393113, 954703, 1179339, 2864109, 6682921, 20048763]

約数ペア:

[(1, 20048763), (3, 6682921), (7, 2864109), (17, 1179339), (21, 954703), (51, 393113), (89, 225267), (119, 168477), (267, 75089), (357, 56159), (623, 32181), (631, 31773), (1513, 13251), (1869, 10727), (1893, 10591), (4417, 4539)]