20053645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 26339040

約数和(自身を除く): 6285395

約数列:

[1, 5, 19, 29, 95, 145, 251, 551, 841, 1255, 2755, 4205, 4769, 7279, 15979, 23845, 36395, 79895, 138301, 211091, 691505, 1055455, 4010729, 20053645]

約数ペア:

[(1, 20053645), (5, 4010729), (19, 1055455), (29, 691505), (95, 211091), (145, 138301), (251, 79895), (551, 36395), (841, 23845), (1255, 15979), (2755, 7279), (4205, 4769)]