20974506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6841}}^1$

素因数の和:6926

約数の個数: 32

約数和(自身を含む): 48605568

約数和(自身を除く): 27631062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6841, 13682, 20523, 41046, 47887, 95774, 143661, 287322, 499393, 998786, 1498179, 2996358, 3495751, 6991502, 10487253, 20974506]

約数ペア:

[(1, 20974506), (2, 10487253), (3, 6991502), (6, 3495751), (7, 2996358), (14, 1498179), (21, 998786), (42, 499393), (73, 287322), (146, 143661), (219, 95774), (438, 47887), (511, 41046), (1022, 20523), (1533, 13682), (3066, 6841)]