20764983

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 28500192

約数和(自身を除く): 7735209

約数列:

[1, 3, 41, 123, 401, 421, 1203, 1263, 16441, 17261, 49323, 51783, 168821, 506463, 6921661, 20764983]

約数ペア:

[(1, 20764983), (3, 6921661), (41, 506463), (123, 168821), (401, 51783), (421, 49323), (1203, 17261), (1263, 16441)]