17141720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4243}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 38959920

約数和(自身を除く): 21818200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4243, 8486, 16972, 21215, 33944, 42430, 84860, 169720, 428543, 857086, 1714172, 2142715, 3428344, 4285430, 8570860, 17141720]

約数ペア:

[(1, 17141720), (2, 8570860), (4, 4285430), (5, 3428344), (8, 2142715), (10, 1714172), (20, 857086), (40, 428543), (101, 169720), (202, 84860), (404, 42430), (505, 33944), (808, 21215), (1010, 16972), (2020, 8486), (4040, 4243)]