20166077841

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{620743}}^1$

素因数の和:620790

約数の個数: 48

約数和(自身を含む): 35665467264

約数和(自身を除く): 15499389423

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 833, 1547, 1911, 2499, 4641, 10829, 32487, 620743, 1862229, 4345201, 8069659, 10552631, 13035603, 24208977, 30416407, 31657893, 56487613, 73868417, 91249221, 137184203, 169462839, 221605251, 395413291, 411552609, 517078919, 960289421, 1186239873, 1551236757, 2880868263, 6722025947, 20166077841]

約数ペア:

[(1, 20166077841), (3, 6722025947), (7, 2880868263), (13, 1551236757), (17, 1186239873), (21, 960289421), (39, 517078919), (49, 411552609), (51, 395413291), (91, 221605251), (119, 169462839), (147, 137184203), (221, 91249221), (273, 73868417), (357, 56487613), (637, 31657893), (663, 30416407), (833, 24208977), (1547, 13035603), (1911, 10552631), (2499, 8069659), (4641, 4345201), (10829, 1862229), (32487, 620743)]