20197543588

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1319411}}^1$

素因数の和:1319547

約数の個数: 24

約数和(自身を含む): 36574100640

約数和(自身を除く): 16376557052

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 3827, 7654, 15308, 1319411, 2638822, 5277644, 56734673, 113469346, 117427579, 226938692, 234855158, 469710316, 5049385897, 10098771794, 20197543588]

約数ペア:

[(1, 20197543588), (2, 10098771794), (4, 5049385897), (43, 469710316), (86, 234855158), (89, 226938692), (172, 117427579), (178, 113469346), (356, 56734673), (3827, 5277644), (7654, 2638822), (15308, 1319411)]