2020171804

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 4198884480

約数和(自身を除く): 2178712676

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 179, 196, 284, 358, 497, 716, 811, 994, 1253, 1622, 1988, 2506, 3244, 3479, 5012, 5677, 6958, 8771, 11354, 12709, 13916, 17542, 22708, 25418, 35084, 39739, 50836, 57581, 79478, 88963, 115162, 145169, 158956, 177926, 230324, 290338, 355852, 403067, 580676, 622741, 806134, 1016183, 1245482, 1612268, 2032366, 2490964, 2821469, 4064732, 5642938, 7113281, 10306999, 11285876, 14226562, 20613998, 28453124, 41227996, 72148993, 144297986, 288595972, 505042951, 1010085902, 2020171804]

約数ペア:

[(1, 2020171804), (2, 1010085902), (4, 505042951), (7, 288595972), (14, 144297986), (28, 72148993), (49, 41227996), (71, 28453124), (98, 20613998), (142, 14226562), (179, 11285876), (196, 10306999), (284, 7113281), (358, 5642938), (497, 4064732), (716, 2821469), (811, 2490964), (994, 2032366), (1253, 1612268), (1622, 1245482), (1988, 1016183), (2506, 806134), (3244, 622741), (3479, 580676), (5012, 403067), (5677, 355852), (6958, 290338), (8771, 230324), (11354, 177926), (12709, 158956), (13916, 145169), (17542, 115162), (22708, 88963), (25418, 79478), (35084, 57581), (39739, 50836)]