20216457079

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{30271}}^1$

素因数の和:30511

約数の個数: 32

約数和(自身を含む): 25631907840

約数和(自身を除く): 5415450761

約数列:

[1, 7, 13, 41, 91, 179, 287, 533, 1253, 2327, 3731, 7339, 16289, 30271, 51373, 95407, 211897, 393523, 667849, 1241111, 2754661, 5418509, 8687777, 16134443, 37929563, 70440617, 112941101, 222158869, 493084319, 1555112083, 2888065297, 20216457079]

約数ペア:

[(1, 20216457079), (7, 2888065297), (13, 1555112083), (41, 493084319), (91, 222158869), (179, 112941101), (287, 70440617), (533, 37929563), (1253, 16134443), (2327, 8687777), (3731, 5418509), (7339, 2754661), (16289, 1241111), (30271, 667849), (51373, 393523), (95407, 211897)]