20500398

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5347}}^1$

素因数の和:5429

約数の個数: 32

約数和(自身を含む): 46206720

約数和(自身を除く): 25706322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5347, 10694, 16041, 32082, 48123, 96246, 144369, 288738, 379637, 759274, 1138911, 2277822, 3416733, 6833466, 10250199, 20500398]

約数ペア:

[(1, 20500398), (2, 10250199), (3, 6833466), (6, 3416733), (9, 2277822), (18, 1138911), (27, 759274), (54, 379637), (71, 288738), (142, 144369), (213, 96246), (426, 48123), (639, 32082), (1278, 16041), (1917, 10694), (3834, 5347)]