20028964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 37100000

約数和(自身を除く): 17071036

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 1249, 2498, 4009, 4996, 8018, 16036, 23731, 47462, 94924, 263539, 527078, 1054156, 5007241, 10014482, 20028964]

約数ペア:

[(1, 20028964), (2, 10014482), (4, 5007241), (19, 1054156), (38, 527078), (76, 263539), (211, 94924), (422, 47462), (844, 23731), (1249, 16036), (2498, 8018), (4009, 4996)]