20373955

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 28695168

約数和(自身を除く): 8321213

約数列:

[1, 5, 7, 35, 49, 137, 245, 607, 685, 959, 3035, 4249, 4795, 6713, 21245, 29743, 33565, 83159, 148715, 415795, 582113, 2910565, 4074791, 20373955]

約数ペア:

[(1, 20373955), (5, 4074791), (7, 2910565), (35, 582113), (49, 415795), (137, 148715), (245, 83159), (607, 33565), (685, 29743), (959, 21245), (3035, 6713), (4249, 4795)]