20785549833

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{570671}}^1$

素因数の和:570770

約数の個数: 32

約数和(自身を含む): 32870707200

約数和(自身を除く): 12085157367

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 1349, 1917, 4047, 12141, 36423, 570671, 1712013, 5136039, 10842749, 15408117, 32528247, 40517641, 97584741, 121552923, 292754223, 364658769, 769835179, 1093976307, 2309505537, 6928516611, 20785549833]

約数ペア:

[(1, 20785549833), (3, 6928516611), (9, 2309505537), (19, 1093976307), (27, 769835179), (57, 364658769), (71, 292754223), (171, 121552923), (213, 97584741), (513, 40517641), (639, 32528247), (1349, 15408117), (1917, 10842749), (4047, 5136039), (12141, 1712013), (36423, 570671)]