20856684

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 51095520

約数和(自身を除く): 30238836

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 73, 87, 116, 146, 174, 219, 292, 348, 438, 821, 876, 1642, 2117, 2463, 3284, 4234, 4926, 6351, 8468, 9852, 12702, 23809, 25404, 47618, 59933, 71427, 95236, 119866, 142854, 179799, 239732, 285708, 359598, 719196, 1738057, 3476114, 5214171, 6952228, 10428342, 20856684]

約数ペア:

[(1, 20856684), (2, 10428342), (3, 6952228), (4, 5214171), (6, 3476114), (12, 1738057), (29, 719196), (58, 359598), (73, 285708), (87, 239732), (116, 179799), (146, 142854), (174, 119866), (219, 95236), (292, 71427), (348, 59933), (438, 47618), (821, 25404), (876, 23809), (1642, 12702), (2117, 9852), (2463, 8468), (3284, 6351), (4234, 4926)]