20121746420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{97423}}^1$

素因数の和:97904

約数の個数: 48

約数和(自身を含む): 44191526400

約数和(自身を除く): 24069779980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 449, 460, 898, 1796, 2245, 4490, 8980, 10327, 20654, 41308, 51635, 97423, 103270, 194846, 206540, 389692, 487115, 974230, 1948460, 2240729, 4481458, 8962916, 11203645, 22407290, 43742927, 44814580, 87485854, 174971708, 218714635, 437429270, 874858540, 1006087321, 2012174642, 4024349284, 5030436605, 10060873210, 20121746420]

約数ペア:

[(1, 20121746420), (2, 10060873210), (4, 5030436605), (5, 4024349284), (10, 2012174642), (20, 1006087321), (23, 874858540), (46, 437429270), (92, 218714635), (115, 174971708), (230, 87485854), (449, 44814580), (460, 43742927), (898, 22407290), (1796, 11203645), (2245, 8962916), (4490, 4481458), (8980, 2240729), (10327, 1948460), (20654, 974230), (41308, 487115), (51635, 389692), (97423, 206540), (103270, 194846)]