20765803

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 23810976

約数和(自身を除く): 3045173

約数列:

[1, 19, 23, 41, 61, 361, 437, 779, 943, 1159, 1403, 2501, 8303, 14801, 17917, 22021, 26657, 47519, 57523, 340423, 506483, 902861, 1092937, 20765803]

約数ペア:

[(1, 20765803), (19, 1092937), (23, 902861), (41, 506483), (61, 340423), (361, 57523), (437, 47519), (779, 26657), (943, 22021), (1159, 17917), (1403, 14801), (2501, 8303)]