20163211749

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1324871}}^1$

素因数の和:1324985

約数の個数: 24

約数和(自身を含む): 31002004800

約数和(自身を除く): 10838793051

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1691, 5073, 15219, 1324871, 3974613, 11923839, 25172549, 75517647, 117913519, 226552941, 353740557, 1061221671, 2240356861, 6721070583, 20163211749]

約数ペア:

[(1, 20163211749), (3, 6721070583), (9, 2240356861), (19, 1061221671), (57, 353740557), (89, 226552941), (171, 117913519), (267, 75517647), (801, 25172549), (1691, 11923839), (5073, 3974613), (15219, 1324871)]