20157424

素因数分解:

$2^4\times 7^3\times {\mathrm{3673}}^1$

素因数の和:3702

約数の個数: 40

約数和(自身を含む): 45557600

約数和(自身を除く): 25400176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3673, 5488, 7346, 14692, 25711, 29384, 51422, 58768, 102844, 179977, 205688, 359954, 411376, 719908, 1259839, 1439816, 2519678, 2879632, 5039356, 10078712, 20157424]

約数ペア:

[(1, 20157424), (2, 10078712), (4, 5039356), (7, 2879632), (8, 2519678), (14, 1439816), (16, 1259839), (28, 719908), (49, 411376), (56, 359954), (98, 205688), (112, 179977), (196, 102844), (343, 58768), (392, 51422), (686, 29384), (784, 25711), (1372, 14692), (2744, 7346), (3673, 5488)]