20974941

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5783}}^1$

素因数の和:5833

約数の個数: 24

約数和(自身を含む): 33686016

約数和(自身を除く): 12711075

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5783, 17349, 52047, 75179, 179273, 225537, 537819, 676611, 1613457, 2330549, 6991647, 20974941]

約数ペア:

[(1, 20974941), (3, 6991647), (9, 2330549), (13, 1613457), (31, 676611), (39, 537819), (93, 225537), (117, 179273), (279, 75179), (403, 52047), (1209, 17349), (3627, 5783)]