20007261105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{399227}}^1$

素因数の和:399505

約数の個数: 32

約数和(自身を含む): 34608276864

約数和(自身を除く): 14601015759

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 3341, 3855, 10023, 16705, 50115, 399227, 1197681, 1996135, 5189951, 5988405, 15569853, 25949755, 77849265, 102601339, 307804017, 513006695, 1333817407, 1539020085, 4001452221, 6669087035, 20007261105]

約数ペア:

[(1, 20007261105), (3, 6669087035), (5, 4001452221), (13, 1539020085), (15, 1333817407), (39, 513006695), (65, 307804017), (195, 102601339), (257, 77849265), (771, 25949755), (1285, 15569853), (3341, 5988405), (3855, 5189951), (10023, 1996135), (16705, 1197681), (50115, 399227)]