20199377289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{691499}}^1$

素因数の和:691629

約数の個数: 32

約数和(自身を含む): 33457536000

約数和(自身を除く): 13258158711

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 4173, 9737, 29211, 691499, 2074497, 4840493, 8989487, 14521479, 26968461, 62926409, 73990393, 188779227, 221971179, 517932751, 961875109, 1553798253, 2885625327, 6733125763, 20199377289]

約数ペア:

[(1, 20199377289), (3, 6733125763), (7, 2885625327), (13, 1553798253), (21, 961875109), (39, 517932751), (91, 221971179), (107, 188779227), (273, 73990393), (321, 62926409), (749, 26968461), (1391, 14521479), (2247, 8989487), (4173, 4840493), (9737, 2074497), (29211, 691499)]