20199425141

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 25025616000

約数和(自身を除く): 4826190859

約数列:

[1, 7, 19, 47, 133, 197, 329, 349, 893, 1379, 2209, 2443, 3743, 6251, 6631, 9259, 15463, 16403, 26201, 41971, 46417, 64813, 68753, 114821, 175921, 293797, 311657, 435173, 481271, 770941, 1231447, 1306307, 2181599, 3046211, 3231391, 5396587, 8268287, 9144149, 14647879, 22619737, 57878009, 61396429, 102535153, 151875377, 429775003, 1063127639, 2885632163, 20199425141]

約数ペア:

[(1, 20199425141), (7, 2885632163), (19, 1063127639), (47, 429775003), (133, 151875377), (197, 102535153), (329, 61396429), (349, 57878009), (893, 22619737), (1379, 14647879), (2209, 9144149), (2443, 8268287), (3743, 5396587), (6251, 3231391), (6631, 3046211), (9259, 2181599), (15463, 1306307), (16403, 1231447), (26201, 770941), (41971, 481271), (46417, 435173), (64813, 311657), (68753, 293797), (114821, 175921)]