20120773972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{9371}}^1$

素因数の和:9808

約数の個数: 48

約数和(自身を含む): 38310636672

約数和(自身を除く): 18189862700

約数列:

[1, 2, 4, 13, 26, 52, 157, 263, 314, 526, 628, 1052, 2041, 3419, 4082, 6838, 8164, 9371, 13676, 18742, 37484, 41291, 82582, 121823, 165164, 243646, 487292, 536783, 1073566, 1471247, 2147132, 2464573, 2942494, 4929146, 5884988, 9858292, 19126211, 32039449, 38252422, 64078898, 76504844, 128157796, 386937961, 773875922, 1547751844, 5030193493, 10060386986, 20120773972]

約数ペア:

[(1, 20120773972), (2, 10060386986), (4, 5030193493), (13, 1547751844), (26, 773875922), (52, 386937961), (157, 128157796), (263, 76504844), (314, 64078898), (526, 38252422), (628, 32039449), (1052, 19126211), (2041, 9858292), (3419, 5884988), (4082, 4929146), (6838, 2942494), (8164, 2464573), (9371, 2147132), (13676, 1471247), (18742, 1073566), (37484, 536783), (41291, 487292), (82582, 243646), (121823, 165164)]