20888340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31649}}^1$

素因数の和:31672

約数の個数: 48

約数和(自身を含む): 63806400

約数和(自身を除く): 42918060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31649, 63298, 94947, 126596, 158245, 189894, 316490, 348139, 379788, 474735, 632980, 696278, 949470, 1044417, 1392556, 1740695, 1898940, 2088834, 3481390, 4177668, 5222085, 6962780, 10444170, 20888340]

約数ペア:

[(1, 20888340), (2, 10444170), (3, 6962780), (4, 5222085), (5, 4177668), (6, 3481390), (10, 2088834), (11, 1898940), (12, 1740695), (15, 1392556), (20, 1044417), (22, 949470), (30, 696278), (33, 632980), (44, 474735), (55, 379788), (60, 348139), (66, 316490), (110, 189894), (132, 158245), (165, 126596), (220, 94947), (330, 63298), (660, 31649)]