20047729

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 22896720

約数和(自身を除く): 2848991

約数列:

[1, 13, 29, 41, 377, 533, 1189, 1297, 15457, 16861, 37613, 53177, 488969, 691301, 1542133, 20047729]

約数ペア:

[(1, 20047729), (13, 1542133), (29, 691301), (41, 488969), (377, 53177), (533, 37613), (1189, 16861), (1297, 15457)]