20596605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 36469440

約数和(自身を除く): 15872835

約数列:

[1, 3, 5, 15, 17, 37, 51, 59, 85, 111, 177, 185, 255, 295, 555, 629, 885, 1003, 1369, 1887, 2183, 3009, 3145, 4107, 5015, 6549, 6845, 9435, 10915, 15045, 20535, 23273, 32745, 37111, 69819, 80771, 111333, 116365, 185555, 242313, 349095, 403855, 556665, 1211565, 1373107, 4119321, 6865535, 20596605]

約数ペア:

[(1, 20596605), (3, 6865535), (5, 4119321), (15, 1373107), (17, 1211565), (37, 556665), (51, 403855), (59, 349095), (85, 242313), (111, 185555), (177, 116365), (185, 111333), (255, 80771), (295, 69819), (555, 37111), (629, 32745), (885, 23273), (1003, 20535), (1369, 15045), (1887, 10915), (2183, 9435), (3009, 6845), (3145, 6549), (4107, 5015)]