20016984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64157}}^1$

素因数の和:64179

約数の個数: 32

約数和(自身を含む): 53892720

約数和(自身を除く): 33875736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64157, 128314, 192471, 256628, 384942, 513256, 769884, 834041, 1539768, 1668082, 2502123, 3336164, 5004246, 6672328, 10008492, 20016984]

約数ペア:

[(1, 20016984), (2, 10008492), (3, 6672328), (4, 5004246), (6, 3336164), (8, 2502123), (12, 1668082), (13, 1539768), (24, 834041), (26, 769884), (39, 513256), (52, 384942), (78, 256628), (104, 192471), (156, 128314), (312, 64157)]