20634515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 29626560

約数和(自身を除く): 8992045

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 761, 935, 1595, 2465, 3805, 5423, 8371, 12937, 22069, 27115, 41855, 64685, 110345, 142307, 242759, 375173, 711535, 1213795, 1875865, 4126903, 20634515]

約数ペア:

[(1, 20634515), (5, 4126903), (11, 1875865), (17, 1213795), (29, 711535), (55, 375173), (85, 242759), (145, 142307), (187, 110345), (319, 64685), (493, 41855), (761, 27115), (935, 22069), (1595, 12937), (2465, 8371), (3805, 5423)]