20908196

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 39344844

約数和(自身を除く): 18436648

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 241, 482, 529, 943, 964, 1058, 1886, 2116, 3772, 5543, 9881, 11086, 19762, 21689, 22172, 39524, 43378, 86756, 127489, 227263, 254978, 454526, 509956, 909052, 5227049, 10454098, 20908196]

約数ペア:

[(1, 20908196), (2, 10454098), (4, 5227049), (23, 909052), (41, 509956), (46, 454526), (82, 254978), (92, 227263), (164, 127489), (241, 86756), (482, 43378), (529, 39524), (943, 22172), (964, 21689), (1058, 19762), (1886, 11086), (2116, 9881), (3772, 5543)]