20820032

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5333}}^1$

素因数の和:5406

約数の個数: 28

約数和(自身を含む): 41999916

約数和(自身を除く): 21179884

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5333, 10666, 21332, 42664, 85328, 170656, 325313, 341312, 650626, 1301252, 2602504, 5205008, 10410016, 20820032]

約数ペア:

[(1, 20820032), (2, 10410016), (4, 5205008), (8, 2602504), (16, 1301252), (32, 650626), (61, 341312), (64, 325313), (122, 170656), (244, 85328), (488, 42664), (976, 21332), (1952, 10666), (3904, 5333)]