20163893560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6905443}}^1$

素因数の和:6905527

約数の個数: 32

約数和(自身を含む): 45990257040

約数和(自身を除く): 25826363480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6905443, 13810886, 27621772, 34527215, 55243544, 69054430, 138108860, 276217720, 504097339, 1008194678, 2016389356, 2520486695, 4032778712, 5040973390, 10081946780, 20163893560]

約数ペア:

[(1, 20163893560), (2, 10081946780), (4, 5040973390), (5, 4032778712), (8, 2520486695), (10, 2016389356), (20, 1008194678), (40, 504097339), (73, 276217720), (146, 138108860), (292, 69054430), (365, 55243544), (584, 34527215), (730, 27621772), (1460, 13810886), (2920, 6905443)]