20657136

素因数分解:

$2^4\times 3^1\times {\mathrm{430357}}^1$

素因数の和:430368

約数の個数: 20

約数和(自身を含む): 53364392

約数和(自身を除く): 32707256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 430357, 860714, 1291071, 1721428, 2582142, 3442856, 5164284, 6885712, 10328568, 20657136]

約数ペア:

[(1, 20657136), (2, 10328568), (3, 6885712), (4, 5164284), (6, 3442856), (8, 2582142), (12, 1721428), (16, 1291071), (24, 860714), (48, 430357)]