20330.000000

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:404

約数の個数: 20

約数和(自身を含む): 905080

約数和(自身を除く): 331033

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 373, 513, 1119, 1539, 3357, 7087, 10071, 21261, 30213, 63783, 191349, 574047]

約数ペア:

[(1, 574047), (3, 191349), (9, 63783), (19, 30213), (27, 21261), (57, 10071), (81, 7087), (171, 3357), (373, 1539), (513, 1119)]