16945720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 43804800

約数和(自身を除く): 26859080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2027, 2090, 4054, 4180, 8108, 8360, 10135, 16216, 20270, 22297, 38513, 40540, 44594, 77026, 81080, 89188, 111485, 154052, 178376, 192565, 222970, 308104, 385130, 423643, 445940, 770260, 847286, 891880, 1540520, 1694572, 2118215, 3389144, 4236430, 8472860, 16945720]

約数ペア:

[(1, 16945720), (2, 8472860), (4, 4236430), (5, 3389144), (8, 2118215), (10, 1694572), (11, 1540520), (19, 891880), (20, 847286), (22, 770260), (38, 445940), (40, 423643), (44, 385130), (55, 308104), (76, 222970), (88, 192565), (95, 178376), (110, 154052), (152, 111485), (190, 89188), (209, 81080), (220, 77026), (380, 44594), (418, 40540), (440, 38513), (760, 22297), (836, 20270), (1045, 16216), (1672, 10135), (2027, 8360), (2090, 8108), (4054, 4180)]