20342210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4093}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 42446592

約数和(自身を除く): 22104382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4093, 4970, 8186, 20465, 28651, 40930, 57302, 143255, 286510, 290603, 581206, 1453015, 2034221, 2906030, 4068442, 10171105, 20342210]

約数ペア:

[(1, 20342210), (2, 10171105), (5, 4068442), (7, 2906030), (10, 2034221), (14, 1453015), (35, 581206), (70, 290603), (71, 286510), (142, 143255), (355, 57302), (497, 40930), (710, 28651), (994, 20465), (2485, 8186), (4093, 4970)]