20106210964

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{30323}}^1$

素因数の和:30557

約数の個数: 72

約数和(自身を含む): 43557393600

約数和(自身を除く): 23451182636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 199, 238, 398, 476, 796, 833, 1393, 1666, 2786, 3332, 3383, 5572, 6766, 9751, 13532, 19502, 23681, 30323, 39004, 47362, 60646, 94724, 121292, 165767, 212261, 331534, 424522, 515491, 663068, 849044, 1030982, 1485827, 2061964, 2971654, 3608437, 5943308, 6034277, 7216874, 12068554, 14433748, 24137108, 25259059, 42239939, 50518118, 84479878, 101036236, 102582709, 168959756, 205165418, 295679573, 410330836, 591359146, 718078963, 1182718292, 1436157926, 2872315852, 5026552741, 10053105482, 20106210964]

約数ペア:

[(1, 20106210964), (2, 10053105482), (4, 5026552741), (7, 2872315852), (14, 1436157926), (17, 1182718292), (28, 718078963), (34, 591359146), (49, 410330836), (68, 295679573), (98, 205165418), (119, 168959756), (196, 102582709), (199, 101036236), (238, 84479878), (398, 50518118), (476, 42239939), (796, 25259059), (833, 24137108), (1393, 14433748), (1666, 12068554), (2786, 7216874), (3332, 6034277), (3383, 5943308), (5572, 3608437), (6766, 2971654), (9751, 2061964), (13532, 1485827), (19502, 1030982), (23681, 849044), (30323, 663068), (39004, 515491), (47362, 424522), (60646, 331534), (94724, 212261), (121292, 165767)]