20032103

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 27288576

約数和(自身を除く): 7256473

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 563, 1547, 2093, 2737, 3941, 5083, 7319, 9571, 12949, 35581, 51233, 66997, 90643, 124423, 168337, 220133, 870961, 1178359, 1540931, 2861729, 20032103]

約数ペア:

[(1, 20032103), (7, 2861729), (13, 1540931), (17, 1178359), (23, 870961), (91, 220133), (119, 168337), (161, 124423), (221, 90643), (299, 66997), (391, 51233), (563, 35581), (1547, 12949), (2093, 9571), (2737, 7319), (3941, 5083)]