20978898

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 44019072

約数和(自身を除く): 23040174

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 281, 541, 562, 843, 1082, 1623, 1686, 3246, 6463, 12443, 12926, 19389, 24886, 37329, 38778, 74658, 152021, 304042, 456063, 912126, 3496483, 6992966, 10489449, 20978898]

約数ペア:

[(1, 20978898), (2, 10489449), (3, 6992966), (6, 3496483), (23, 912126), (46, 456063), (69, 304042), (138, 152021), (281, 74658), (541, 38778), (562, 37329), (843, 24886), (1082, 19389), (1623, 12926), (1686, 12443), (3246, 6463)]