20157536

素因数分解:

$2^5\times 7^1\times {\mathrm{89989}}^1$

素因数の和:90006

約数の個数: 24

約数和(自身を含む): 45354960

約数和(自身を除く): 25197424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89989, 179978, 359956, 629923, 719912, 1259846, 1439824, 2519692, 2879648, 5039384, 10078768, 20157536]

約数ペア:

[(1, 20157536), (2, 10078768), (4, 5039384), (7, 2879648), (8, 2519692), (14, 1439824), (16, 1259846), (28, 719912), (32, 629923), (56, 359956), (112, 179978), (224, 89989)]