20187361285

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{45599}}^1$

素因数の和:45770

約数の個数: 48

約数和(自身を含む): 30566592000

約数和(自身を除く): 10379230715

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 139, 245, 455, 637, 695, 973, 1807, 3185, 4865, 6811, 9035, 12649, 34055, 45599, 63245, 88543, 227995, 319193, 442715, 592787, 1595965, 2234351, 2963935, 4149509, 6338261, 11171755, 20747545, 29046563, 31691305, 44367827, 82397393, 145232815, 221839135, 310574789, 411986965, 576781751, 1552873945, 2883908755, 4037472257, 20187361285]

約数ペア:

[(1, 20187361285), (5, 4037472257), (7, 2883908755), (13, 1552873945), (35, 576781751), (49, 411986965), (65, 310574789), (91, 221839135), (139, 145232815), (245, 82397393), (455, 44367827), (637, 31691305), (695, 29046563), (973, 20747545), (1807, 11171755), (3185, 6338261), (4865, 4149509), (6811, 2963935), (9035, 2234351), (12649, 1595965), (34055, 592787), (45599, 442715), (63245, 319193), (88543, 227995)]