20002876

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 36098384

約数和(自身を除く): 16095508

約数列:

[1, 2, 4, 61, 73, 122, 146, 244, 292, 1123, 2246, 4453, 4492, 8906, 17812, 68503, 81979, 137006, 163958, 274012, 327916, 5000719, 10001438, 20002876]

約数ペア:

[(1, 20002876), (2, 10001438), (4, 5000719), (61, 327916), (73, 274012), (122, 163958), (146, 137006), (244, 81979), (292, 68503), (1123, 17812), (2246, 8906), (4453, 4492)]