20228974017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{714073}}^1$

素因数の和:714173

約数の個数: 32

約数和(自身を含む): 32904529920

約数和(自身を除く): 12675555903

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 9443, 28329, 714073, 2142219, 4998511, 13567387, 14995533, 40702161, 50699183, 94971709, 152097549, 284915127, 354894281, 963284477, 1064682843, 2889853431, 6742991339, 20228974017]

約数ペア:

[(1, 20228974017), (3, 6742991339), (7, 2889853431), (19, 1064682843), (21, 963284477), (57, 354894281), (71, 284915127), (133, 152097549), (213, 94971709), (399, 50699183), (497, 40702161), (1349, 14995533), (1491, 13567387), (4047, 4998511), (9443, 2142219), (28329, 714073)]