20808801616

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{347}}^1\times {\mathrm{38639}}^1$

素因数の和:39091

約数の個数: 40

約数和(自身を含む): 40851135360

約数和(自身を除く): 20042333744

約数列:

[1, 2, 4, 8, 16, 97, 194, 347, 388, 694, 776, 1388, 1552, 2776, 5552, 33659, 38639, 67318, 77278, 134636, 154556, 269272, 309112, 538544, 618224, 3747983, 7495966, 13407733, 14991932, 26815466, 29983864, 53630932, 59967728, 107261864, 214523728, 1300550101, 2601100202, 5202200404, 10404400808, 20808801616]

約数ペア:

[(1, 20808801616), (2, 10404400808), (4, 5202200404), (8, 2601100202), (16, 1300550101), (97, 214523728), (194, 107261864), (347, 59967728), (388, 53630932), (694, 29983864), (776, 26815466), (1388, 14991932), (1552, 13407733), (2776, 7495966), (5552, 3747983), (33659, 618224), (38639, 538544), (67318, 309112), (77278, 269272), (134636, 154556)]