20806716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3697}}^1$

素因数の和:3778

約数の個数: 48

約数和(自身を含む): 56327936

約数和(自身を除く): 35521220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3697, 5628, 7394, 11091, 14788, 22182, 25879, 44364, 51758, 77637, 103516, 155274, 247699, 310548, 495398, 743097, 990796, 1486194, 1733893, 2972388, 3467786, 5201679, 6935572, 10403358, 20806716]

約数ペア:

[(1, 20806716), (2, 10403358), (3, 6935572), (4, 5201679), (6, 3467786), (7, 2972388), (12, 1733893), (14, 1486194), (21, 990796), (28, 743097), (42, 495398), (67, 310548), (84, 247699), (134, 155274), (201, 103516), (268, 77637), (402, 51758), (469, 44364), (804, 25879), (938, 22182), (1407, 14788), (1876, 11091), (2814, 7394), (3697, 5628)]