201620821346

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{21272507}}^1$

素因数の和:21273193

約数の個数: 16

約数和(自身を含む): 346146250176

約数和(自身を除く): 144525428830

約数列:

[1, 2, 7, 14, 677, 1354, 4739, 9478, 21272507, 42545014, 148907549, 297815098, 14401487239, 28802974478, 100810410673, 201620821346]

約数ペア:

[(1, 201620821346), (2, 100810410673), (7, 28802974478), (14, 14401487239), (677, 297815098), (1354, 148907549), (4739, 42545014), (9478, 21272507)]