20856552592

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5408857}}^1$

素因数の和:5409106

約数の個数: 20

約数和(自身を含む): 40577252716

約数和(自身を除く): 19720700124

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5408857, 10817714, 21635428, 43270856, 86541712, 1303534537, 2607069074, 5214138148, 10428276296, 20856552592]

約数ペア:

[(1, 20856552592), (2, 10428276296), (4, 5214138148), (8, 2607069074), (16, 1303534537), (241, 86541712), (482, 43270856), (964, 21635428), (1928, 10817714), (3856, 5408857)]