20904973656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3363091}}^1$

素因数の和:3363144

約数の個数: 64

約数和(自身を含む): 61342798080

約数和(自身を除く): 40437824424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 6216, 3363091, 6726182, 10089273, 13452364, 20178546, 23541637, 26904728, 40357092, 47083274, 70624911, 80714184, 94166548, 124434367, 141249822, 188333096, 248868734, 282499644, 373303101, 497737468, 564999288, 746606202, 871040569, 995474936, 1493212404, 1742081138, 2613121707, 2986424808, 3484162276, 5226243414, 6968324552, 10452486828, 20904973656]

約数ペア:

[(1, 20904973656), (2, 10452486828), (3, 6968324552), (4, 5226243414), (6, 3484162276), (7, 2986424808), (8, 2613121707), (12, 1742081138), (14, 1493212404), (21, 995474936), (24, 871040569), (28, 746606202), (37, 564999288), (42, 497737468), (56, 373303101), (74, 282499644), (84, 248868734), (111, 188333096), (148, 141249822), (168, 124434367), (222, 94166548), (259, 80714184), (296, 70624911), (444, 47083274), (518, 40357092), (777, 26904728), (888, 23541637), (1036, 20178546), (1554, 13452364), (2072, 10089273), (3108, 6726182), (6216, 3363091)]