20871036137

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{631}}^1\times {\mathrm{6959}}^1$

素因数の和:7701

約数の個数: 24

約数和(自身を含む): 24571249920

約数和(自身を除く): 3700213783

約数列:

[1, 7, 49, 97, 631, 679, 4417, 4753, 6959, 30919, 48713, 61207, 340991, 428449, 675023, 2999143, 4391129, 4725161, 30737903, 33076127, 215165321, 425939513, 2981576591, 20871036137]

約数ペア:

[(1, 20871036137), (7, 2981576591), (49, 425939513), (97, 215165321), (631, 33076127), (679, 30737903), (4417, 4725161), (4753, 4391129), (6959, 2999143), (30919, 675023), (48713, 428449), (61207, 340991)]