20319477

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 29046528

約数和(自身を除く): 8727051

約数列:

[1, 3, 31, 41, 73, 93, 123, 219, 1271, 2263, 2993, 3813, 5329, 6789, 8979, 15987, 92783, 165199, 218489, 278349, 495597, 655467, 6773159, 20319477]

約数ペア:

[(1, 20319477), (3, 6773159), (31, 655467), (41, 495597), (73, 278349), (93, 218489), (123, 165199), (219, 92783), (1271, 15987), (2263, 8979), (2993, 6789), (3813, 5329)]