20106131640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{67807}}^1$

素因数の和:68181

約数の個数: 128

約数和(自身を含む): 69131612160

約数和(自身を除く): 49025480520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 353, 420, 706, 840, 1059, 1412, 1765, 2118, 2471, 2824, 3530, 4236, 4942, 5295, 7060, 7413, 8472, 9884, 10590, 12355, 14120, 14826, 19768, 21180, 24710, 29652, 37065, 42360, 49420, 59304, 67807, 74130, 98840, 135614, 148260, 203421, 271228, 296520, 339035, 406842, 474649, 542456, 678070, 813684, 949298, 1017105, 1356140, 1423947, 1627368, 1898596, 2034210, 2373245, 2712280, 2847894, 3797192, 4068420, 4746490, 5695788, 7119735, 8136840, 9492980, 11391576, 14239470, 18985960, 23935871, 28478940, 47871742, 56957880, 71807613, 95743484, 119679355, 143615226, 167551097, 191486968, 239358710, 287230452, 335102194, 359038065, 478717420, 502653291, 574460904, 670204388, 718076130, 837755485, 957434840, 1005306582, 1340408776, 1436152260, 1675510970, 2010613164, 2513266455, 2872304520, 3351021940, 4021226328, 5026532910, 6702043880, 10053065820, 20106131640]

約数ペア:

[(1, 20106131640), (2, 10053065820), (3, 6702043880), (4, 5026532910), (5, 4021226328), (6, 3351021940), (7, 2872304520), (8, 2513266455), (10, 2010613164), (12, 1675510970), (14, 1436152260), (15, 1340408776), (20, 1005306582), (21, 957434840), (24, 837755485), (28, 718076130), (30, 670204388), (35, 574460904), (40, 502653291), (42, 478717420), (56, 359038065), (60, 335102194), (70, 287230452), (84, 239358710), (105, 191486968), (120, 167551097), (140, 143615226), (168, 119679355), (210, 95743484), (280, 71807613), (353, 56957880), (420, 47871742), (706, 28478940), (840, 23935871), (1059, 18985960), (1412, 14239470), (1765, 11391576), (2118, 9492980), (2471, 8136840), (2824, 7119735), (3530, 5695788), (4236, 4746490), (4942, 4068420), (5295, 3797192), (7060, 2847894), (7413, 2712280), (8472, 2373245), (9884, 2034210), (10590, 1898596), (12355, 1627368), (14120, 1423947), (14826, 1356140), (19768, 1017105), (21180, 949298), (24710, 813684), (29652, 678070), (37065, 542456), (42360, 474649), (49420, 406842), (59304, 339035), (67807, 296520), (74130, 271228), (98840, 203421), (135614, 148260)]