20238515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 8066125

約数列:

[1, 5, 11, 19, 55, 95, 107, 181, 209, 535, 905, 1045, 1177, 1991, 2033, 3439, 5885, 9955, 10165, 17195, 19367, 22363, 37829, 96835, 111815, 189145, 213037, 367973, 1065185, 1839865, 4047703, 20238515]

約数ペア:

[(1, 20238515), (5, 4047703), (11, 1839865), (19, 1065185), (55, 367973), (95, 213037), (107, 189145), (181, 111815), (209, 96835), (535, 37829), (905, 22363), (1045, 19367), (1177, 17195), (1991, 10165), (2033, 9955), (3439, 5885)]