20746011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 33401088

約数和(自身を除く): 12655077

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1307, 1443, 3921, 5291, 14377, 15873, 16991, 43131, 48359, 50973, 145077, 186901, 531949, 560703, 628667, 1595847, 1886001, 6915337, 20746011]

約数ペア:

[(1, 20746011), (3, 6915337), (11, 1886001), (13, 1595847), (33, 628667), (37, 560703), (39, 531949), (111, 186901), (143, 145077), (407, 50973), (429, 48359), (481, 43131), (1221, 16991), (1307, 15873), (1443, 14377), (3921, 5291)]