20733237

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17321}}^1$

素因数の和:17353

約数の個数: 24

約数和(自身を含む): 36029760

約数和(自身を除く): 15296523

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17321, 51963, 121247, 155889, 329099, 363741, 987297, 1091223, 2303693, 2961891, 6911079, 20733237]

約数ペア:

[(1, 20733237), (3, 6911079), (7, 2961891), (9, 2303693), (19, 1091223), (21, 987297), (57, 363741), (63, 329099), (133, 155889), (171, 121247), (399, 51963), (1197, 17321)]