20312444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1109}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 37606800

約数和(自身を除く): 17294356

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 1109, 2218, 4436, 4579, 9158, 18316, 21071, 42142, 84284, 267269, 534538, 1069076, 5078111, 10156222, 20312444]

約数ペア:

[(1, 20312444), (2, 10156222), (4, 5078111), (19, 1069076), (38, 534538), (76, 267269), (241, 84284), (482, 42142), (964, 21071), (1109, 18316), (2218, 9158), (4436, 4579)]