20855149569

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{77731}}^1$

素因数の和:78282

約数の個数: 32

約数和(自身を含む): 32585254400

約数和(自身を除く): 11730104831

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 523, 1569, 4707, 9937, 14121, 29811, 77731, 89433, 233193, 268299, 699579, 1476889, 2098737, 4430667, 13292001, 39876003, 40653313, 121959939, 365879817, 772412947, 1097639451, 2317238841, 6951716523, 20855149569]

約数ペア:

[(1, 20855149569), (3, 6951716523), (9, 2317238841), (19, 1097639451), (27, 772412947), (57, 365879817), (171, 121959939), (513, 40653313), (523, 39876003), (1569, 13292001), (4707, 4430667), (9937, 2098737), (14121, 1476889), (29811, 699579), (77731, 268299), (89433, 233193)]