20598964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2069}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 17654636

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2069, 2489, 4138, 4978, 8276, 9956, 39311, 78622, 157244, 271039, 542078, 1084156, 5149741, 10299482, 20598964]

約数ペア:

[(1, 20598964), (2, 10299482), (4, 5149741), (19, 1084156), (38, 542078), (76, 271039), (131, 157244), (262, 78622), (524, 39311), (2069, 9956), (2489, 8276), (4138, 4978)]