20201631415

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1\times {\mathrm{20921}}^1$

素因数の和:21567

約数の個数: 32

約数和(自身を含む): 28344121344

約数和(自身を除く): 8142489929

約数列:

[1, 5, 7, 35, 47, 235, 329, 587, 1645, 2935, 4109, 20545, 20921, 27589, 104605, 137945, 146447, 193123, 732235, 965615, 983287, 4916435, 6883009, 12280627, 34415045, 61403135, 85964389, 429821945, 577189469, 2885947345, 4040326283, 20201631415]

約数ペア:

[(1, 20201631415), (5, 4040326283), (7, 2885947345), (35, 577189469), (47, 429821945), (235, 85964389), (329, 61403135), (587, 34415045), (1645, 12280627), (2935, 6883009), (4109, 4916435), (20545, 983287), (20921, 965615), (27589, 732235), (104605, 193123), (137945, 146447)]