20193659538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258893071}}^1$

素因数の和:258893089

約数の個数: 16

約数和(自身を含む): 43494036096

約数和(自身を除く): 23300376558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258893071, 517786142, 776679213, 1553358426, 3365609923, 6731219846, 10096829769, 20193659538]

約数ペア:

[(1, 20193659538), (2, 10096829769), (3, 6731219846), (6, 3365609923), (13, 1553358426), (26, 776679213), (39, 517786142), (78, 258893071)]