20307464

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 39455640

約数和(自身を除く): 19148176

約数列:

[1, 2, 4, 8, 41, 82, 101, 164, 202, 328, 404, 613, 808, 1226, 2452, 4141, 4904, 8282, 16564, 25133, 33128, 50266, 61913, 100532, 123826, 201064, 247652, 495304, 2538433, 5076866, 10153732, 20307464]

約数ペア:

[(1, 20307464), (2, 10153732), (4, 5076866), (8, 2538433), (41, 495304), (82, 247652), (101, 201064), (164, 123826), (202, 100532), (328, 61913), (404, 50266), (613, 33128), (808, 25133), (1226, 16564), (2452, 8282), (4141, 4904)]