20291344

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9257}}^1$

素因数の和:9402

約数の個数: 20

約数和(自身を含む): 39605724

約数和(自身を除く): 19314380

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9257, 18514, 37028, 74056, 148112, 1268209, 2536418, 5072836, 10145672, 20291344]

約数ペア:

[(1, 20291344), (2, 10145672), (4, 5072836), (8, 2536418), (16, 1268209), (137, 148112), (274, 74056), (548, 37028), (1096, 18514), (2192, 9257)]