20685350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8443}}^1$

素因数の和:8469

約数の個数: 36

約数和(自身を含む): 44761644

約数和(自身を除く): 24076294

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8443, 16886, 42215, 59101, 84430, 118202, 211075, 295505, 413707, 422150, 591010, 827414, 1477525, 2068535, 2955050, 4137070, 10342675, 20685350]

約数ペア:

[(1, 20685350), (2, 10342675), (5, 4137070), (7, 2955050), (10, 2068535), (14, 1477525), (25, 827414), (35, 591010), (49, 422150), (50, 413707), (70, 295505), (98, 211075), (175, 118202), (245, 84430), (350, 59101), (490, 42215), (1225, 16886), (2450, 8443)]