20176983486

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{38791}}^1$

素因数の和:38918

約数の個数: 96

約数和(自身を含む): 49671138816

約数和(自身を除く): 29494155330

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 71, 74, 99, 111, 142, 198, 213, 222, 333, 407, 426, 639, 666, 781, 814, 1221, 1278, 1562, 2343, 2442, 2627, 3663, 4686, 5254, 7029, 7326, 7881, 14058, 15762, 23643, 28897, 38791, 47286, 57794, 77582, 86691, 116373, 173382, 232746, 260073, 349119, 426701, 520146, 698238, 853402, 1280103, 1435267, 2560206, 2754161, 2870534, 3840309, 4305801, 5508322, 7680618, 8262483, 8611602, 12917403, 15787937, 16524966, 24787449, 25834806, 30295771, 31575874, 47363811, 49574898, 60591542, 90887313, 94727622, 101903957, 142091433, 181774626, 203807914, 272661939, 284182866, 305711871, 545323878, 611423742, 917135613, 1120943527, 1834271226, 2241887054, 3362830581, 6725661162, 10088491743, 20176983486]

約数ペア:

[(1, 20176983486), (2, 10088491743), (3, 6725661162), (6, 3362830581), (9, 2241887054), (11, 1834271226), (18, 1120943527), (22, 917135613), (33, 611423742), (37, 545323878), (66, 305711871), (71, 284182866), (74, 272661939), (99, 203807914), (111, 181774626), (142, 142091433), (198, 101903957), (213, 94727622), (222, 90887313), (333, 60591542), (407, 49574898), (426, 47363811), (639, 31575874), (666, 30295771), (781, 25834806), (814, 24787449), (1221, 16524966), (1278, 15787937), (1562, 12917403), (2343, 8611602), (2442, 8262483), (2627, 7680618), (3663, 5508322), (4686, 4305801), (5254, 3840309), (7029, 2870534), (7326, 2754161), (7881, 2560206), (14058, 1435267), (15762, 1280103), (23643, 853402), (28897, 698238), (38791, 520146), (47286, 426701), (57794, 349119), (77582, 260073), (86691, 232746), (116373, 173382)]