20197256

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 18963544

約数列:

[1, 2, 4, 8, 41, 82, 139, 164, 278, 328, 443, 556, 886, 1112, 1772, 3544, 5699, 11398, 18163, 22796, 36326, 45592, 61577, 72652, 123154, 145304, 246308, 492616, 2524657, 5049314, 10098628, 20197256]

約数ペア:

[(1, 20197256), (2, 10098628), (4, 5049314), (8, 2524657), (41, 492616), (82, 246308), (139, 145304), (164, 123154), (278, 72652), (328, 61577), (443, 45592), (556, 36326), (886, 22796), (1112, 18163), (1772, 11398), (3544, 5699)]