20856474

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4889}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 46944000

約数和(自身を除く): 26087526

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4889, 9778, 14667, 29334, 44001, 88002, 132003, 264006, 386231, 772462, 1158693, 2317386, 3476079, 6952158, 10428237, 20856474]

約数ペア:

[(1, 20856474), (2, 10428237), (3, 6952158), (6, 3476079), (9, 2317386), (18, 1158693), (27, 772462), (54, 386231), (79, 264006), (158, 132003), (237, 88002), (474, 44001), (711, 29334), (1422, 14667), (2133, 9778), (4266, 4889)]