20309685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 15591243

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1483, 2739, 4449, 4565, 7415, 13695, 16313, 22245, 48939, 81565, 123089, 244695, 369267, 615445, 1353979, 1846335, 4061937, 6769895, 20309685]

約数ペア:

[(1, 20309685), (3, 6769895), (5, 4061937), (11, 1846335), (15, 1353979), (33, 615445), (55, 369267), (83, 244695), (165, 123089), (249, 81565), (415, 48939), (913, 22245), (1245, 16313), (1483, 13695), (2739, 7415), (4449, 4565)]