20120681718

素因数分解:

$2^1\times 3^4\times {\mathrm{271}}^1\times {\mathrm{458309}}^1$

素因数の和:458594

約数の個数: 40

約数和(自身を含む): 45251696160

約数和(自身を除く): 25131014442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 271, 542, 813, 1626, 2439, 4878, 7317, 14634, 21951, 43902, 458309, 916618, 1374927, 2749854, 4124781, 8249562, 12374343, 24748686, 37123029, 74246058, 124201739, 248403478, 372605217, 745210434, 1117815651, 2235631302, 3353446953, 6706893906, 10060340859, 20120681718]

約数ペア:

[(1, 20120681718), (2, 10060340859), (3, 6706893906), (6, 3353446953), (9, 2235631302), (18, 1117815651), (27, 745210434), (54, 372605217), (81, 248403478), (162, 124201739), (271, 74246058), (542, 37123029), (813, 24748686), (1626, 12374343), (2439, 8249562), (4878, 4124781), (7317, 2749854), (14634, 1374927), (21951, 916618), (43902, 458309)]