20121478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 24

約数和(自身を含む): 33269400

約数和(自身を除く): 13147922

約数列:

[1, 2, 13, 26, 59, 118, 169, 338, 767, 1009, 1534, 2018, 9971, 13117, 19942, 26234, 59531, 119062, 170521, 341042, 773903, 1547806, 10060739, 20121478]

約数ペア:

[(1, 20121478), (2, 10060739), (13, 1547806), (26, 773903), (59, 341042), (118, 170521), (169, 119062), (338, 59531), (767, 26234), (1009, 19942), (1534, 13117), (2018, 9971)]